From 681b2be5cfd4c363c389251636b51fa6210beb87 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 24 Mar 2010 13:55:51 -0400
Subject: [PATCH] drm/radeon/kms/evergreen: implement irq support
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 8 +-
drivers/gpu/drm/radeon/evergreen.c | 549 +++++++++++++++++++++++++++++++-
drivers/gpu/drm/radeon/evergreend.h | 148 +++++++++
drivers/gpu/drm/radeon/r600.c | 40 ++-
drivers/gpu/drm/radeon/radeon.h | 5 +-
drivers/gpu/drm/radeon/radeon_asic.c | 6 +-
drivers/gpu/drm/radeon/radeon_asic.h | 4 +
7 files changed, 719 insertions(+), 41 deletions(-)
@@ -249,17 +249,13 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
if (ASIC_IS_DCE3(rdev))
atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
atombios_blank_crtc(crtc, ATOM_DISABLE);
- /* XXX re-enable when interrupt support is added */
- if (!ASIC_IS_DCE4(rdev))
- drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
+ drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
radeon_crtc_load_lut(crtc);
break;
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
- /* XXX re-enable when interrupt support is added */
- if (!ASIC_IS_DCE4(rdev))
- drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
+ drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
atombios_blank_crtc(crtc, ATOM_ENABLE);
if (ASIC_IS_DCE3(rdev))
atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
@@ -1200,12 +1200,532 @@ int evergreen_asic_reset(struct radeon_device *rdev)
return evergreen_gpu_soft_reset(rdev);
}
+/* Interrupts */
+
+u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
+{
+ switch (crtc) {
+ case 0:
+ return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET);
+ case 1:
+ return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET);
+ case 2:
+ return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET);
+ case 3:
+ return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET);
+ case 4:
+ return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET);
+ case 5:
+ return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET);
+ default:
+ return 0;
+ }
+}
+
+void evergreen_disable_interrupt_state(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ WREG32(CP_INT_CNTL, 0);
+ WREG32(GRBM_INT_CNTL, 0);
+ WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
+ WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
+ WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
+ WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
+ WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
+ WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
+
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
+ WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
+
+ WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
+ WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
+
+ tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD1_INT_CONTROL, tmp);
+ tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD2_INT_CONTROL, tmp);
+ tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD3_INT_CONTROL, tmp);
+ tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD4_INT_CONTROL, tmp);
+ tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD5_INT_CONTROL, tmp);
+ tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
+ WREG32(DC_HPD6_INT_CONTROL, tmp);
+
+}
+
+int evergreen_irq_set(struct radeon_device *rdev)
+{
+ u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
+ u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
+ u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
+
+ if (!rdev->irq.installed) {
+ WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
+ return -EINVAL;
+ }
+ /* don't enable anything if the ih is disabled */
+ if (!rdev->ih.enabled) {
+ r600_disable_interrupts(rdev);
+ /* force the active interrupt state to all disabled */
+ evergreen_disable_interrupt_state(rdev);
+ return 0;
+ }
+
+ hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
+ hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
+
+ if (rdev->irq.sw_int) {
+ DRM_DEBUG("evergreen_irq_set: sw int\n");
+ cp_int_cntl |= RB_INT_ENABLE;
+ }
+ if (rdev->irq.crtc_vblank_int[0]) {
+ DRM_DEBUG("evergreen_irq_set: vblank 0\n");
+ crtc1 |= VBLANK_INT_MASK;
+ }
+ if (rdev->irq.crtc_vblank_int[1]) {
+ DRM_DEBUG("evergreen_irq_set: vblank 1\n");
+ crtc2 |= VBLANK_INT_MASK;
+ }
+ if (rdev->irq.crtc_vblank_int[2]) {
+ DRM_DEBUG("evergreen_irq_set: vblank 2\n");
+ crtc3 |= VBLANK_INT_MASK;
+ }
+ if (rdev->irq.crtc_vblank_int[3]) {
+ DRM_DEBUG("evergreen_irq_set: vblank 3\n");
+ crtc4 |= VBLANK_INT_MASK;
+ }
+ if (rdev->irq.crtc_vblank_int[4]) {
+ DRM_DEBUG("evergreen_irq_set: vblank 4\n");
+ crtc5 |= VBLANK_INT_MASK;
+ }
+ if (rdev->irq.crtc_vblank_int[5]) {
+ DRM_DEBUG("evergreen_irq_set: vblank 5\n");
+ crtc6 |= VBLANK_INT_MASK;
+ }
+ if (rdev->irq.hpd[0]) {
+ DRM_DEBUG("evergreen_irq_set: hpd 1\n");
+ hpd1 |= DC_HPDx_INT_EN;
+ }
+ if (rdev->irq.hpd[1]) {
+ DRM_DEBUG("evergreen_irq_set: hpd 2\n");
+ hpd2 |= DC_HPDx_INT_EN;
+ }
+ if (rdev->irq.hpd[2]) {
+ DRM_DEBUG("evergreen_irq_set: hpd 3\n");
+ hpd3 |= DC_HPDx_INT_EN;
+ }
+ if (rdev->irq.hpd[3]) {
+ DRM_DEBUG("evergreen_irq_set: hpd 4\n");
+ hpd4 |= DC_HPDx_INT_EN;
+ }
+ if (rdev->irq.hpd[4]) {
+ DRM_DEBUG("evergreen_irq_set: hpd 5\n");
+ hpd5 |= DC_HPDx_INT_EN;
+ }
+ if (rdev->irq.hpd[5]) {
+ DRM_DEBUG("evergreen_irq_set: hpd 6\n");
+ hpd6 |= DC_HPDx_INT_EN;
+ }
+
+ WREG32(CP_INT_CNTL, cp_int_cntl);
+
+ WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
+ WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
+ WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
+ WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
+ WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
+ WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
+
+ WREG32(DC_HPD1_INT_CONTROL, hpd1);
+ WREG32(DC_HPD2_INT_CONTROL, hpd2);
+ WREG32(DC_HPD3_INT_CONTROL, hpd3);
+ WREG32(DC_HPD4_INT_CONTROL, hpd4);
+ WREG32(DC_HPD5_INT_CONTROL, hpd5);
+ WREG32(DC_HPD6_INT_CONTROL, hpd6);
+
+ return 0;
+}
+
+static inline void evergreen_irq_ack(struct radeon_device *rdev,
+ u32 *disp_int,
+ u32 *disp_int_cont,
+ u32 *disp_int_cont2,
+ u32 *disp_int_cont3,
+ u32 *disp_int_cont4,
+ u32 *disp_int_cont5)
+{
+ u32 tmp;
+
+ *disp_int = RREG32(DISP_INTERRUPT_STATUS);
+ *disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
+ *disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
+ *disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
+ *disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
+ *disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
+
+ if (*disp_int & LB_D1_VBLANK_INTERRUPT)
+ WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
+ if (*disp_int & LB_D1_VLINE_INTERRUPT)
+ WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
+
+ if (*disp_int_cont & LB_D2_VBLANK_INTERRUPT)
+ WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
+ if (*disp_int_cont & LB_D2_VLINE_INTERRUPT)
+ WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
+
+ if (*disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
+ WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
+ if (*disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
+ WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
+
+ if (*disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
+ WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
+ if (*disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
+ WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
+
+ if (*disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
+ WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
+ if (*disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
+ WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
+
+ if (*disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
+ WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
+ if (*disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
+ WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
+
+ if (*disp_int & DC_HPD1_INTERRUPT) {
+ tmp = RREG32(DC_HPD1_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HPD1_INT_CONTROL, tmp);
+ }
+ if (*disp_int_cont & DC_HPD2_INTERRUPT) {
+ tmp = RREG32(DC_HPD2_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HPD2_INT_CONTROL, tmp);
+ }
+ if (*disp_int_cont2 & DC_HPD3_INTERRUPT) {
+ tmp = RREG32(DC_HPD3_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HPD3_INT_CONTROL, tmp);
+ }
+ if (*disp_int_cont3 & DC_HPD4_INTERRUPT) {
+ tmp = RREG32(DC_HPD4_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HPD4_INT_CONTROL, tmp);
+ }
+ if (*disp_int_cont4 & DC_HPD5_INTERRUPT) {
+ tmp = RREG32(DC_HPD5_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HPD5_INT_CONTROL, tmp);
+ }
+ if (*disp_int_cont5 & DC_HPD6_INTERRUPT) {
+ tmp = RREG32(DC_HPD5_INT_CONTROL);
+ tmp |= DC_HPDx_INT_ACK;
+ WREG32(DC_HPD6_INT_CONTROL, tmp);
+ }
+}
+
+void evergreen_irq_disable(struct radeon_device *rdev)
+{
+ u32 disp_int, disp_int_cont, disp_int_cont2;
+ u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
+
+ r600_disable_interrupts(rdev);
+ /* Wait and acknowledge irq */
+ mdelay(1);
+ evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
+ &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
+ evergreen_disable_interrupt_state(rdev);
+}
+
+static void evergreen_irq_suspend(struct radeon_device *rdev)
+{
+ evergreen_irq_disable(rdev);
+ r600_rlc_stop(rdev);
+}
+
+static inline u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
+{
+ u32 wptr, tmp;
+
+ /* XXX use writeback */
+ wptr = RREG32(IH_RB_WPTR);
+
+ if (wptr & RB_OVERFLOW) {
+ /* When a ring buffer overflow happen start parsing interrupt
+ * from the last not overwritten vector (wptr + 16). Hopefully
+ * this should allow us to catchup.
+ */
+ dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
+ wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
+ rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
+ tmp = RREG32(IH_RB_CNTL);
+ tmp |= IH_WPTR_OVERFLOW_CLEAR;
+ WREG32(IH_RB_CNTL, tmp);
+ }
+ return (wptr & rdev->ih.ptr_mask);
+}
+
+int evergreen_irq_process(struct radeon_device *rdev)
+{
+ u32 wptr = evergreen_get_ih_wptr(rdev);
+ u32 rptr = rdev->ih.rptr;
+ u32 src_id, src_data;
+ u32 ring_index;
+ u32 disp_int, disp_int_cont, disp_int_cont2;
+ u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
+ unsigned long flags;
+ bool queue_hotplug = false;
+
+ DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
+ if (!rdev->ih.enabled)
+ return IRQ_NONE;
+
+ spin_lock_irqsave(&rdev->ih.lock, flags);
+
+ if (rptr == wptr) {
+ spin_unlock_irqrestore(&rdev->ih.lock, flags);
+ return IRQ_NONE;
+ }
+ if (rdev->shutdown) {
+ spin_unlock_irqrestore(&rdev->ih.lock, flags);
+ return IRQ_NONE;
+ }
+
+restart_ih:
+ /* display interrupts */
+ evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
+ &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
+
+ rdev->ih.wptr = wptr;
+ while (rptr != wptr) {
+ /* wptr/rptr are in bytes! */
+ ring_index = rptr / 4;
+ src_id = rdev->ih.ring[ring_index] & 0xff;
+ src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff;
+
+ switch (src_id) {
+ case 1: /* D1 vblank/vline */
+ switch (src_data) {
+ case 0: /* D1 vblank */
+ if (disp_int & LB_D1_VBLANK_INTERRUPT) {
+ drm_handle_vblank(rdev->ddev, 0);
+ wake_up(&rdev->irq.vblank_queue);
+ disp_int &= ~LB_D1_VBLANK_INTERRUPT;
+ DRM_DEBUG("IH: D1 vblank\n");
+ }
+ break;
+ case 1: /* D1 vline */
+ if (disp_int & LB_D1_VLINE_INTERRUPT) {
+ disp_int &= ~LB_D1_VLINE_INTERRUPT;
+ DRM_DEBUG("IH: D1 vline\n");
+ }
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+ break;
+ case 2: /* D2 vblank/vline */
+ switch (src_data) {
+ case 0: /* D2 vblank */
+ if (disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
+ drm_handle_vblank(rdev->ddev, 1);
+ wake_up(&rdev->irq.vblank_queue);
+ disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
+ DRM_DEBUG("IH: D2 vblank\n");
+ }
+ break;
+ case 1: /* D2 vline */
+ if (disp_int_cont & LB_D2_VLINE_INTERRUPT) {
+ disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
+ DRM_DEBUG("IH: D2 vline\n");
+ }
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+ break;
+ case 3: /* D3 vblank/vline */
+ switch (src_data) {
+ case 0: /* D3 vblank */
+ if (disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
+ drm_handle_vblank(rdev->ddev, 2);
+ wake_up(&rdev->irq.vblank_queue);
+ disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
+ DRM_DEBUG("IH: D3 vblank\n");
+ }
+ break;
+ case 1: /* D3 vline */
+ if (disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
+ disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
+ DRM_DEBUG("IH: D3 vline\n");
+ }
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+ break;
+ case 4: /* D4 vblank/vline */
+ switch (src_data) {
+ case 0: /* D4 vblank */
+ if (disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
+ drm_handle_vblank(rdev->ddev, 3);
+ wake_up(&rdev->irq.vblank_queue);
+ disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
+ DRM_DEBUG("IH: D4 vblank\n");
+ }
+ break;
+ case 1: /* D4 vline */
+ if (disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
+ disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
+ DRM_DEBUG("IH: D4 vline\n");
+ }
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+ break;
+ case 5: /* D5 vblank/vline */
+ switch (src_data) {
+ case 0: /* D5 vblank */
+ if (disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
+ drm_handle_vblank(rdev->ddev, 4);
+ wake_up(&rdev->irq.vblank_queue);
+ disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
+ DRM_DEBUG("IH: D5 vblank\n");
+ }
+ break;
+ case 1: /* D5 vline */
+ if (disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
+ disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
+ DRM_DEBUG("IH: D5 vline\n");
+ }
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+ break;
+ case 6: /* D6 vblank/vline */
+ switch (src_data) {
+ case 0: /* D6 vblank */
+ if (disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
+ drm_handle_vblank(rdev->ddev, 5);
+ wake_up(&rdev->irq.vblank_queue);
+ disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
+ DRM_DEBUG("IH: D6 vblank\n");
+ }
+ break;
+ case 1: /* D6 vline */
+ if (disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
+ disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
+ DRM_DEBUG("IH: D6 vline\n");
+ }
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+ break;
+ case 42: /* HPD hotplug */
+ switch (src_data) {
+ case 0:
+ if (disp_int & DC_HPD1_INTERRUPT) {
+ disp_int &= ~DC_HPD1_INTERRUPT;
+ queue_hotplug = true;
+ DRM_DEBUG("IH: HPD1\n");
+ }
+ break;
+ case 1:
+ if (disp_int_cont & DC_HPD2_INTERRUPT) {
+ disp_int_cont &= ~DC_HPD2_INTERRUPT;
+ queue_hotplug = true;
+ DRM_DEBUG("IH: HPD2\n");
+ }
+ break;
+ case 2:
+ if (disp_int_cont2 & DC_HPD3_INTERRUPT) {
+ disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
+ queue_hotplug = true;
+ DRM_DEBUG("IH: HPD3\n");
+ }
+ break;
+ case 3:
+ if (disp_int_cont3 & DC_HPD4_INTERRUPT) {
+ disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
+ queue_hotplug = true;
+ DRM_DEBUG("IH: HPD4\n");
+ }
+ break;
+ case 4:
+ if (disp_int_cont4 & DC_HPD5_INTERRUPT) {
+ disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
+ queue_hotplug = true;
+ DRM_DEBUG("IH: HPD5\n");
+ }
+ break;
+ case 5:
+ if (disp_int_cont5 & DC_HPD6_INTERRUPT) {
+ disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
+ queue_hotplug = true;
+ DRM_DEBUG("IH: HPD6\n");
+ }
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+ break;
+ case 176: /* CP_INT in ring buffer */
+ case 177: /* CP_INT in IB1 */
+ case 178: /* CP_INT in IB2 */
+ DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
+ radeon_fence_process(rdev);
+ break;
+ case 181: /* CP EOP event */
+ DRM_DEBUG("IH: CP EOP\n");
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
+ break;
+ }
+
+ /* wptr/rptr are in bytes! */
+ rptr += 16;
+ rptr &= rdev->ih.ptr_mask;
+ }
+ /* make sure wptr hasn't changed while processing */
+ wptr = evergreen_get_ih_wptr(rdev);
+ if (wptr != rdev->ih.wptr)
+ goto restart_ih;
+ if (queue_hotplug)
+ queue_work(rdev->wq, &rdev->hotplug_work);
+ rdev->ih.rptr = rptr;
+ WREG32(IH_RB_RPTR, rdev->ih.rptr);
+ spin_unlock_irqrestore(&rdev->ih.lock, flags);
+ return IRQ_HANDLED;
+}
+
static int evergreen_startup(struct radeon_device *rdev)
{
int r;
- /* XXX until interrupts are supported */
- if (!rdev->me_fw || !rdev->pfp_fw /*|| !rdev->rlc_fw*/) {
+ if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
r = r600_init_microcode(rdev);
if (r) {
DRM_ERROR("Failed to load firmware!\n");
@@ -1241,6 +1761,7 @@ static int evergreen_startup(struct radeon_device *rdev)
DRM_ERROR("failed to pin blit object %d\n", r);
return r;
}
+#endif
/* Enable IRQ */
r = r600_irq_init(rdev);
@@ -1249,8 +1770,7 @@ static int evergreen_startup(struct radeon_device *rdev)
radeon_irq_kms_fini(rdev);
return r;
}
- r600_irq_set(rdev);
-#endif
+ evergreen_irq_set(rdev);
r = radeon_ring_init(rdev, rdev->cp.ring_size);
if (r)
@@ -1307,8 +1827,8 @@ int evergreen_suspend(struct radeon_device *rdev)
/* FIXME: we should wait for ring to be empty */
r700_cp_stop(rdev);
rdev->cp.ready = false;
+ evergreen_irq_suspend(rdev);
r600_wb_disable(rdev);
-
evergreen_pcie_gart_disable(rdev);
#if 0
/* unpin shaders bo */
@@ -1410,17 +1930,17 @@ int evergreen_init(struct radeon_device *rdev)
r = radeon_bo_init(rdev);
if (r)
return r;
-#if 0
+
r = radeon_irq_kms_init(rdev);
if (r)
return r;
-#endif
+
rdev->cp.ring_obj = NULL;
r600_ring_init(rdev, 1024 * 1024);
-#if 0
+
rdev->ih.ring_obj = NULL;
r600_ih_ring_init(rdev, 64 * 1024);
-#endif
+
r = r600_pcie_gart_init(rdev);
if (r)
return r;
@@ -1431,10 +1951,8 @@ int evergreen_init(struct radeon_device *rdev)
dev_err(rdev->dev, "disabling GPU acceleration\n");
r700_cp_fini(rdev);
r600_wb_fini(rdev);
-#if 0
r600_irq_fini(rdev);
radeon_irq_kms_fini(rdev);
-#endif
evergreen_pcie_gart_fini(rdev);
rdev->accel_working = false;
}
@@ -1456,14 +1974,11 @@ int evergreen_init(struct radeon_device *rdev)
void evergreen_fini(struct radeon_device *rdev)
{
radeon_pm_fini(rdev);
- evergreen_suspend(rdev);
-#if 0
- r600_blit_fini(rdev);
+ /*r600_blit_fini(rdev);*/
+ r700_cp_fini(rdev);
+ r600_wb_fini(rdev);
r600_irq_fini(rdev);
radeon_irq_kms_fini(rdev);
- radeon_ring_fini(rdev);
- r600_wb_fini(rdev);
-#endif
evergreen_pcie_gart_fini(rdev);
radeon_gem_fini(rdev);
radeon_fence_driver_fini(rdev);
@@ -405,4 +405,152 @@
#define SOFT_RESET_REGBB (1 << 22)
#define SOFT_RESET_ORB (1 << 23)
+#define IH_RB_CNTL 0x3e00
+# define IH_RB_ENABLE (1 << 0)
+# define IH_IB_SIZE(x) ((x) << 1) /* log2 */
+# define IH_RB_FULL_DRAIN_ENABLE (1 << 6)
+# define IH_WPTR_WRITEBACK_ENABLE (1 << 8)
+# define IH_WPTR_WRITEBACK_TIMER(x) ((x) << 9) /* log2 */
+# define IH_WPTR_OVERFLOW_ENABLE (1 << 16)
+# define IH_WPTR_OVERFLOW_CLEAR (1 << 31)
+#define IH_RB_BASE 0x3e04
+#define IH_RB_RPTR 0x3e08
+#define IH_RB_WPTR 0x3e0c
+# define RB_OVERFLOW (1 << 0)
+# define WPTR_OFFSET_MASK 0x3fffc
+#define IH_RB_WPTR_ADDR_HI 0x3e10
+#define IH_RB_WPTR_ADDR_LO 0x3e14
+#define IH_CNTL 0x3e18
+# define ENABLE_INTR (1 << 0)
+# define IH_MC_SWAP(x) ((x) << 2)
+# define IH_MC_SWAP_NONE 0
+# define IH_MC_SWAP_16BIT 1
+# define IH_MC_SWAP_32BIT 2
+# define IH_MC_SWAP_64BIT 3
+# define RPTR_REARM (1 << 4)
+# define MC_WRREQ_CREDIT(x) ((x) << 15)
+# define MC_WR_CLEAN_CNT(x) ((x) << 20)
+
+#define CP_INT_CNTL 0xc124
+# define CNTX_BUSY_INT_ENABLE (1 << 19)
+# define CNTX_EMPTY_INT_ENABLE (1 << 20)
+# define SCRATCH_INT_ENABLE (1 << 25)
+# define TIME_STAMP_INT_ENABLE (1 << 26)
+# define IB2_INT_ENABLE (1 << 29)
+# define IB1_INT_ENABLE (1 << 30)
+# define RB_INT_ENABLE (1 << 31)
+#define CP_INT_STATUS 0xc128
+# define SCRATCH_INT_STAT (1 << 25)
+# define TIME_STAMP_INT_STAT (1 << 26)
+# define IB2_INT_STAT (1 << 29)
+# define IB1_INT_STAT (1 << 30)
+# define RB_INT_STAT (1 << 31)
+
+#define GRBM_INT_CNTL 0x8060
+# define RDERR_INT_ENABLE (1 << 0)
+# define GUI_IDLE_INT_ENABLE (1 << 19)
+
+/* 0x6e98, 0x7a98, 0x10698, 0x11298, 0x11e98, 0x12a98 */
+#define CRTC_STATUS_FRAME_COUNT 0x6e98
+
+/* 0x6bb8, 0x77b8, 0x103b8, 0x10fb8, 0x11bb8, 0x127b8 */
+#define VLINE_STATUS 0x6bb8
+# define VLINE_OCCURRED (1 << 0)
+# define VLINE_ACK (1 << 4)
+# define VLINE_STAT (1 << 12)
+# define VLINE_INTERRUPT (1 << 16)
+# define VLINE_INTERRUPT_TYPE (1 << 17)
+/* 0x6bbc, 0x77bc, 0x103bc, 0x10fbc, 0x11bbc, 0x127bc */
+#define VBLANK_STATUS 0x6bbc
+# define VBLANK_OCCURRED (1 << 0)
+# define VBLANK_ACK (1 << 4)
+# define VBLANK_STAT (1 << 12)
+# define VBLANK_INTERRUPT (1 << 16)
+# define VBLANK_INTERRUPT_TYPE (1 << 17)
+
+/* 0x6b40, 0x7740, 0x10340, 0x10f40, 0x11b40, 0x12740 */
+#define INT_MASK 0x6b40
+# define VBLANK_INT_MASK (1 << 0)
+# define VLINE_INT_MASK (1 << 4)
+
+#define DISP_INTERRUPT_STATUS 0x60f4
+# define LB_D1_VLINE_INTERRUPT (1 << 2)
+# define LB_D1_VBLANK_INTERRUPT (1 << 3)
+# define DC_HPD1_INTERRUPT (1 << 17)
+# define DC_HPD1_RX_INTERRUPT (1 << 18)
+# define DACA_AUTODETECT_INTERRUPT (1 << 22)
+# define DACB_AUTODETECT_INTERRUPT (1 << 23)
+# define DC_I2C_SW_DONE_INTERRUPT (1 << 24)
+# define DC_I2C_HW_DONE_INTERRUPT (1 << 25)
+#define DISP_INTERRUPT_STATUS_CONTINUE 0x60f8
+# define LB_D2_VLINE_INTERRUPT (1 << 2)
+# define LB_D2_VBLANK_INTERRUPT (1 << 3)
+# define DC_HPD2_INTERRUPT (1 << 17)
+# define DC_HPD2_RX_INTERRUPT (1 << 18)
+# define DISP_TIMER_INTERRUPT (1 << 24)
+#define DISP_INTERRUPT_STATUS_CONTINUE2 0x60fc
+# define LB_D3_VLINE_INTERRUPT (1 << 2)
+# define LB_D3_VBLANK_INTERRUPT (1 << 3)
+# define DC_HPD3_INTERRUPT (1 << 17)
+# define DC_HPD3_RX_INTERRUPT (1 << 18)
+#define DISP_INTERRUPT_STATUS_CONTINUE3 0x6100
+# define LB_D4_VLINE_INTERRUPT (1 << 2)
+# define LB_D4_VBLANK_INTERRUPT (1 << 3)
+# define DC_HPD4_INTERRUPT (1 << 17)
+# define DC_HPD4_RX_INTERRUPT (1 << 18)
+#define DISP_INTERRUPT_STATUS_CONTINUE4 0x614c
+# define LB_D5_VLINE_INTERRUPT (1 << 2)
+# define LB_D5_VBLANK_INTERRUPT (1 << 3)
+# define DC_HPD5_INTERRUPT (1 << 17)
+# define DC_HPD5_RX_INTERRUPT (1 << 18)
+#define DISP_INTERRUPT_STATUS_CONTINUE5 0x6050
+# define LB_D6_VLINE_INTERRUPT (1 << 2)
+# define LB_D6_VBLANK_INTERRUPT (1 << 3)
+# define DC_HPD6_INTERRUPT (1 << 17)
+# define DC_HPD6_RX_INTERRUPT (1 << 18)
+
+/* 0x6858, 0x7458, 0x10058, 0x10c58, 0x11858, 0x12458 */
+#define GRPH_INT_STATUS 0x6858
+# define GRPH_PFLIP_INT_OCCURRED (1 << 0)
+# define GRPH_PFLIP_INT_CLEAR (1 << 8)
+/* 0x685c, 0x745c, 0x1005c, 0x10c5c, 0x1185c, 0x1245c */
+#define GRPH_INT_CONTROL 0x685c
+# define GRPH_PFLIP_INT_MASK (1 << 0)
+# define GRPH_PFLIP_INT_TYPE (1 << 8)
+
+#define DACA_AUTODETECT_INT_CONTROL 0x66c8
+#define DACB_AUTODETECT_INT_CONTROL 0x67c8
+
+#define DC_HPD1_INT_STATUS 0x601c
+#define DC_HPD2_INT_STATUS 0x6028
+#define DC_HPD3_INT_STATUS 0x6034
+#define DC_HPD4_INT_STATUS 0x6040
+#define DC_HPD5_INT_STATUS 0x604c
+#define DC_HPD6_INT_STATUS 0x6058
+# define DC_HPDx_INT_STATUS (1 << 0)
+# define DC_HPDx_SENSE (1 << 1)
+# define DC_HPDx_RX_INT_STATUS (1 << 8)
+
+#define DC_HPD1_INT_CONTROL 0x6020
+#define DC_HPD2_INT_CONTROL 0x602c
+#define DC_HPD3_INT_CONTROL 0x6038
+#define DC_HPD4_INT_CONTROL 0x6044
+#define DC_HPD5_INT_CONTROL 0x6050
+#define DC_HPD6_INT_CONTROL 0x605c
+# define DC_HPDx_INT_ACK (1 << 0)
+# define DC_HPDx_INT_POLARITY (1 << 8)
+# define DC_HPDx_INT_EN (1 << 16)
+# define DC_HPDx_RX_INT_ACK (1 << 20)
+# define DC_HPDx_RX_INT_EN (1 << 24)
+
+#define DC_HPD1_CONTROL 0x6024
+#define DC_HPD2_CONTROL 0x6030
+#define DC_HPD3_CONTROL 0x603c
+#define DC_HPD4_CONTROL 0x6048
+#define DC_HPD5_CONTROL 0x6054
+#define DC_HPD6_CONTROL 0x6060
+# define DC_HPDx_CONNECTION_TIMER(x) ((x) << 0)
+# define DC_HPDx_RX_INT_TIMER(x) ((x) << 16)
+# define DC_HPDx_EN (1 << 28)
+
#endif
@@ -45,6 +45,7 @@
#define R700_RLC_UCODE_SIZE 1024
#define EVERGREEN_PFP_UCODE_SIZE 1120
#define EVERGREEN_PM4_UCODE_SIZE 1376
+#define EVERGREEN_RLC_UCODE_SIZE 768
/* Firmware Names */
MODULE_FIRMWARE("radeon/R600_pfp.bin");
@@ -71,12 +72,16 @@ MODULE_FIRMWARE("radeon/R600_rlc.bin");
MODULE_FIRMWARE("radeon/R700_rlc.bin");
MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
MODULE_FIRMWARE("radeon/CEDAR_me.bin");
+MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
+MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
+MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
MODULE_FIRMWARE("radeon/CYRPESS_pfp.bin");
MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
+MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
int r600_debugfs_mc_info_init(struct radeon_device *rdev);
@@ -84,6 +89,7 @@ int r600_debugfs_mc_info_init(struct radeon_device *rdev);
int r600_mc_wait_for_idle(struct radeon_device *rdev);
void r600_gpu_init(struct radeon_device *rdev);
void r600_fini(struct radeon_device *rdev);
+void r600_irq_disable(struct radeon_device *rdev);
/* hpd for digital panel detect/disconnect */
bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
@@ -1456,20 +1462,20 @@ int r600_init_microcode(struct radeon_device *rdev)
break;
case CHIP_CEDAR:
chip_name = "CEDAR";
- rlc_chip_name = "";
+ rlc_chip_name = "CEDAR";
break;
case CHIP_REDWOOD:
chip_name = "REDWOOD";
- rlc_chip_name = "";
+ rlc_chip_name = "REDWOOD";
break;
case CHIP_JUNIPER:
chip_name = "JUNIPER";
- rlc_chip_name = "";
+ rlc_chip_name = "JUNIPER";
break;
case CHIP_CYPRESS:
case CHIP_HEMLOCK:
chip_name = "CYPRESS";
- rlc_chip_name = "";
+ rlc_chip_name = "CYPRESS";
break;
default: BUG();
}
@@ -1477,7 +1483,7 @@ int r600_init_microcode(struct radeon_device *rdev)
if (rdev->family >= CHIP_CEDAR) {
pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
- rlc_req_size = 0;
+ rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
} else if (rdev->family >= CHIP_RV770) {
pfp_req_size = R700_PFP_UCODE_SIZE * 4;
me_req_size = R700_PM4_UCODE_SIZE * 4;
@@ -1513,8 +1519,6 @@ int r600_init_microcode(struct radeon_device *rdev)
err = -EINVAL;
}
- /* XXX until evergreen interrupts are supported */
- if (rdev->family < CHIP_CEDAR) {
snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev);
if (err)
@@ -1525,7 +1529,6 @@ int r600_init_microcode(struct radeon_device *rdev)
rdev->rlc_fw->size, fw_name);
err = -EINVAL;
}
- }
out:
platform_device_unregister(pdev);
@@ -2304,10 +2307,11 @@ static void r600_ih_ring_fini(struct radeon_device *rdev)
}
}
-static void r600_rlc_stop(struct radeon_device *rdev)
+void r600_rlc_stop(struct radeon_device *rdev)
{
- if (rdev->family >= CHIP_RV770) {
+ if ((rdev->family >= CHIP_RV770) &&
+ (rdev->family <= CHIP_RV740)) {
/* r7xx asics need to soft reset RLC before halting */
WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
RREG32(SRBM_SOFT_RESET);
@@ -2344,7 +2348,12 @@ static int r600_rlc_init(struct radeon_device *rdev)
WREG32(RLC_UCODE_CNTL, 0);
fw_data = (const __be32 *)rdev->rlc_fw->data;
- if (rdev->family >= CHIP_RV770) {
+ if (rdev->family >= CHIP_CEDAR) {
+ for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
+ WREG32(RLC_UCODE_ADDR, i);
+ WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
+ }
+ } else if (rdev->family >= CHIP_RV770) {
for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
WREG32(RLC_UCODE_ADDR, i);
WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
@@ -2374,7 +2383,7 @@ static void r600_enable_interrupts(struct radeon_device *rdev)
rdev->ih.enabled = true;
}
-static void r600_disable_interrupts(struct radeon_device *rdev)
+void r600_disable_interrupts(struct radeon_device *rdev)
{
u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
u32 ih_cntl = RREG32(IH_CNTL);
@@ -2489,7 +2498,10 @@ int r600_irq_init(struct radeon_device *rdev)
WREG32(IH_CNTL, ih_cntl);
/* force the active interrupt state to all disabled */
- r600_disable_interrupt_state(rdev);
+ if (rdev->family >= CHIP_CEDAR)
+ evergreen_disable_interrupt_state(rdev);
+ else
+ r600_disable_interrupt_state(rdev);
/* enable irqs */
r600_enable_interrupts(rdev);
@@ -2499,7 +2511,7 @@ int r600_irq_init(struct radeon_device *rdev)
void r600_irq_suspend(struct radeon_device *rdev)
{
- r600_disable_interrupts(rdev);
+ r600_irq_disable(rdev);
r600_rlc_stop(rdev);
}
@@ -372,7 +372,7 @@ struct radeon_irq {
bool installed;
bool sw_int;
/* FIXME: use a define max crtc rather than hardcode it */
- bool crtc_vblank_int[2];
+ bool crtc_vblank_int[6];
wait_queue_head_t vblank_queue;
/* FIXME: use defines for max hpd/dacs */
bool hpd[6];
@@ -1321,6 +1321,8 @@ extern void r600_irq_fini(struct radeon_device *rdev);
extern void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size);
extern int r600_irq_set(struct radeon_device *rdev);
extern void r600_irq_suspend(struct radeon_device *rdev);
+extern void r600_disable_interrupts(struct radeon_device *rdev);
+extern void r600_rlc_stop(struct radeon_device *rdev);
/* r600 audio */
extern int r600_audio_init(struct radeon_device *rdev);
extern int r600_audio_tmds_index(struct drm_encoder *encoder);
@@ -1340,6 +1342,7 @@ extern void r600_hdmi_update_audio_settings(struct drm_encoder *encoder,
extern void r700_cp_stop(struct radeon_device *rdev);
extern void r700_cp_fini(struct radeon_device *rdev);
+void evergreen_disable_interrupt_state(struct radeon_device *rdev);
/* evergreen */
struct evergreen_mc_save {
@@ -643,9 +643,9 @@ static struct radeon_asic evergreen_asic = {
.gart_set_page = &rs600_gart_set_page,
.ring_test = &r600_ring_test,
.ring_ib_execute = &r600_ring_ib_execute,
- .irq_set = NULL,
- .irq_process = NULL,
- .get_vblank_counter = NULL,
+ .irq_set = &evergreen_irq_set,
+ .irq_process = &evergreen_irq_process,
+ .get_vblank_counter = &evergreen_get_vblank_counter,
.fence_ring_emit = NULL,
.cs_parse = NULL,
.copy_blit = NULL,
@@ -294,4 +294,8 @@ void evergreen_hpd_fini(struct radeon_device *rdev);
bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd);
void evergreen_hpd_set_polarity(struct radeon_device *rdev,
enum radeon_hpd_id hpd);
+u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc);
+int evergreen_irq_set(struct radeon_device *rdev);
+int evergreen_irq_process(struct radeon_device *rdev);
+
#endif
--
1.5.6.3