From patchwork Tue Feb 18 14:05:10 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Christian_K=C3=B6nig?= X-Patchwork-Id: 3671001 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 26DBDBF40C for ; Tue, 18 Feb 2014 14:05:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9CA3B201FE for ; Tue, 18 Feb 2014 14:05:42 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id E991E20166 for ; Tue, 18 Feb 2014 14:05:40 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DD568FA9E7; Tue, 18 Feb 2014 06:05:32 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from pegasos-out.vodafone.de (pegasos-out.vodafone.de [80.84.1.38]) by gabe.freedesktop.org (Postfix) with SMTP id 48DF3FA9E7 for ; Tue, 18 Feb 2014 06:05:27 -0800 (PST) Received: from localhost (localhost.localdomain [127.0.0.1]) by pegasos-out.vodafone.de (Rohrpostix2 Daemon) with ESMTP id 73CAF4D005F for ; Tue, 18 Feb 2014 15:05:26 +0100 (CET) X-Virus-Scanned: amavisd-new at vodafone.de X-Spam-Score: 1.555 X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Authentication-Results: rohrpostix2.prod.vfnet.de (amavisd-new); dkim=pass header.i=@vodafone.de Received: from pegasos-out.vodafone.de ([127.0.0.1]) by localhost (rohrpostix2.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Zs6O8mR4sMTH for ; Tue, 18 Feb 2014 15:05:19 +0100 (CET) Received: from smtp-04.vodafone.de (smtp-04.vodafone.de [10.215.254.39]) by pegasos-out.vodafone.de (Rohrpostix2 Daemon) with ESMTP id 36D054D0053 for ; Tue, 18 Feb 2014 15:05:19 +0100 (CET) X-DKIM: OpenDKIM Filter v2.6.8 pegasos-out.vodafone.de 36D054D0053 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vodafone.de; s=mail; t=1392732319; bh=y7uBjAUwyv9+e42ZvTu1Fmobpi6euKEMifd7gi2ZPsE=; h=From:To:Subject:Date; b=Ryvl3Joy/mRbxEeV7KJrcnZmGPVhgs41lowNlIIhtw8rDWThOZ1wB88H/XMXPtHLn zXpxaiWlOq2ok4Lis1JZMO8vfVM7KTbeRWi40aC+yYVu4W9kTKrTe8xv65dcnVmdlP LBga7qoNNvdQaS9WYuMuhZV+q/lqsImiW18O0D/A= X-Virus-Scanned: amavisd-new at vodafone.de Received: from smtp-04.vodafone.de ([127.0.0.1]) by localhost (xsmail-dmz8.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yU+Nbm9PcluR for ; Tue, 18 Feb 2014 15:05:12 +0100 (CET) From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: dri-devel@lists.freedesktop.org Subject: [PATCH 1/3] drm/radeon: drop drivers copy of the rptr Date: Tue, 18 Feb 2014 15:05:10 +0100 Message-Id: <1392732312-7384-1-git-send-email-deathsimple@vodafone.de> X-Mailer: git-send-email 1.8.3.2 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Christian König In all cases where it really matters we are using the read functions anyway. Signed-off-by: Christian König Reviewed-by: Alex Deucher --- drivers/gpu/drm/radeon/cik.c | 7 ++----- drivers/gpu/drm/radeon/cik_sdma.c | 4 +--- drivers/gpu/drm/radeon/evergreen.c | 4 +--- drivers/gpu/drm/radeon/evergreen_dma.c | 2 +- drivers/gpu/drm/radeon/ni.c | 6 +++--- drivers/gpu/drm/radeon/ni_dma.c | 4 +--- drivers/gpu/drm/radeon/r100.c | 3 +-- drivers/gpu/drm/radeon/r600.c | 4 +--- drivers/gpu/drm/radeon/r600_dma.c | 4 +--- drivers/gpu/drm/radeon/radeon.h | 4 ++-- drivers/gpu/drm/radeon/radeon_ring.c | 27 +++++++++++++-------------- drivers/gpu/drm/radeon/si.c | 8 +------- drivers/gpu/drm/radeon/si_dma.c | 2 +- drivers/gpu/drm/radeon/uvd_v1_0.c | 2 +- drivers/gpu/drm/radeon/vce_v1_0.c | 4 ++-- 15 files changed, 32 insertions(+), 53 deletions(-) diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 2b31c32..835dcfb 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -4031,8 +4031,6 @@ static int cik_cp_gfx_resume(struct radeon_device *rdev) WREG32(CP_RB0_BASE, rb_addr); WREG32(CP_RB0_BASE_HI, upper_32_bits(rb_addr)); - ring->rptr = RREG32(CP_RB0_RPTR); - /* start the ring */ cik_cp_gfx_start(rdev); rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true; @@ -4587,8 +4585,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev) rdev->ring[idx].wptr = 0; mqd->queue_state.cp_hqd_pq_wptr = rdev->ring[idx].wptr; WREG32(CP_HQD_PQ_WPTR, mqd->queue_state.cp_hqd_pq_wptr); - rdev->ring[idx].rptr = RREG32(CP_HQD_PQ_RPTR); - mqd->queue_state.cp_hqd_pq_rptr = rdev->ring[idx].rptr; + mqd->queue_state.cp_hqd_pq_rptr = RREG32(CP_HQD_PQ_RPTR); /* set the vmid for the queue */ mqd->queue_state.cp_hqd_vmid = 0; @@ -5118,7 +5115,7 @@ bool cik_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) if (!(reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_CP))) { - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } /* force CP activities */ diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c index 1ecb3f1..e474760 100644 --- a/drivers/gpu/drm/radeon/cik_sdma.c +++ b/drivers/gpu/drm/radeon/cik_sdma.c @@ -362,8 +362,6 @@ static int cik_sdma_gfx_resume(struct radeon_device *rdev) ring->wptr = 0; WREG32(SDMA0_GFX_RB_WPTR + reg_offset, ring->wptr << 2); - ring->rptr = RREG32(SDMA0_GFX_RB_RPTR + reg_offset) >> 2; - /* enable DMA RB */ WREG32(SDMA0_GFX_RB_CNTL + reg_offset, rb_cntl | SDMA_RB_ENABLE); @@ -713,7 +711,7 @@ bool cik_sdma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) mask = RADEON_RESET_DMA1; if (!(reset_mask & mask)) { - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } /* force ring activities */ diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index f2b9e21..d9156be 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2990,8 +2990,6 @@ static int evergreen_cp_resume(struct radeon_device *rdev) WREG32(CP_RB_BASE, ring->gpu_addr >> 8); WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); - ring->rptr = RREG32(CP_RB_RPTR); - evergreen_cp_start(rdev); ring->ready = true; r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring); @@ -3952,7 +3950,7 @@ bool evergreen_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *rin if (!(reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_CP))) { - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } /* force CP activities */ diff --git a/drivers/gpu/drm/radeon/evergreen_dma.c b/drivers/gpu/drm/radeon/evergreen_dma.c index a37b544..d448961 100644 --- a/drivers/gpu/drm/radeon/evergreen_dma.c +++ b/drivers/gpu/drm/radeon/evergreen_dma.c @@ -174,7 +174,7 @@ bool evergreen_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *rin u32 reset_mask = evergreen_gpu_check_soft_reset(rdev); if (!(reset_mask & RADEON_RESET_DMA)) { - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } /* force ring activities */ diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index ea932ac..7601532 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1642,8 +1642,8 @@ static int cayman_cp_resume(struct radeon_device *rdev) ring = &rdev->ring[ridx[i]]; WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA); - ring->rptr = ring->wptr = 0; - WREG32(cp_rb_rptr[i], ring->rptr); + ring->wptr = 0; + WREG32(cp_rb_rptr[i], 0); WREG32(cp_rb_wptr[i], ring->wptr); mdelay(1); @@ -1917,7 +1917,7 @@ bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) if (!(reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_CP))) { - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } /* force CP activities */ diff --git a/drivers/gpu/drm/radeon/ni_dma.c b/drivers/gpu/drm/radeon/ni_dma.c index 7cf96b1..95e533c 100644 --- a/drivers/gpu/drm/radeon/ni_dma.c +++ b/drivers/gpu/drm/radeon/ni_dma.c @@ -248,8 +248,6 @@ int cayman_dma_resume(struct radeon_device *rdev) ring->wptr = 0; WREG32(DMA_RB_WPTR + reg_offset, ring->wptr << 2); - ring->rptr = RREG32(DMA_RB_RPTR + reg_offset) >> 2; - WREG32(DMA_RB_CNTL + reg_offset, rb_cntl | DMA_RB_ENABLE); ring->ready = true; @@ -302,7 +300,7 @@ bool cayman_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) mask = RADEON_RESET_DMA1; if (!(reset_mask & mask)) { - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } /* force ring activities */ diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index ef024ce..3a74381 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -1193,7 +1193,6 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) WREG32(RADEON_CP_RB_CNTL, tmp); udelay(10); - ring->rptr = RREG32(RADEON_CP_RB_RPTR); /* Set cp mode to bus mastering & enable cp*/ WREG32(RADEON_CP_CSQ_MODE, REG_SET(RADEON_INDIRECT2_START, indirect2_start) | @@ -2523,7 +2522,7 @@ bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) rbbm_status = RREG32(R_000E40_RBBM_STATUS); if (!G_000E40_GUI_ACTIVE(rbbm_status)) { - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } /* force CP activities */ diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index cdbc417..085e025 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1748,7 +1748,7 @@ bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) if (!(reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_CP))) { - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } /* force CP activities */ @@ -2604,8 +2604,6 @@ int r600_cp_resume(struct radeon_device *rdev) WREG32(CP_RB_BASE, ring->gpu_addr >> 8); WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); - ring->rptr = RREG32(CP_RB_RPTR); - r600_cp_start(rdev); ring->ready = true; r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring); diff --git a/drivers/gpu/drm/radeon/r600_dma.c b/drivers/gpu/drm/radeon/r600_dma.c index b2d4c91..6944e19 100644 --- a/drivers/gpu/drm/radeon/r600_dma.c +++ b/drivers/gpu/drm/radeon/r600_dma.c @@ -176,8 +176,6 @@ int r600_dma_resume(struct radeon_device *rdev) ring->wptr = 0; WREG32(DMA_RB_WPTR, ring->wptr << 2); - ring->rptr = RREG32(DMA_RB_RPTR) >> 2; - WREG32(DMA_RB_CNTL, rb_cntl | DMA_RB_ENABLE); ring->ready = true; @@ -221,7 +219,7 @@ bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) u32 reset_mask = r600_gpu_check_soft_reset(rdev); if (!(reset_mask & RADEON_RESET_DMA)) { - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } /* force ring activities */ diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 63777e4..425491f 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -791,7 +791,6 @@ struct radeon_ib { struct radeon_ring { struct radeon_bo *ring_obj; volatile uint32_t *ring; - unsigned rptr; unsigned rptr_offs; unsigned rptr_save_reg; u64 next_rptr_gpu_addr; @@ -956,7 +955,8 @@ void radeon_ring_undo(struct radeon_ring *ring); void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp); int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp); void radeon_ring_force_activity(struct radeon_device *rdev, struct radeon_ring *ring); -void radeon_ring_lockup_update(struct radeon_ring *ring); +void radeon_ring_lockup_update(struct radeon_device *rdev, + struct radeon_ring *ring); bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring *ring); unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring, uint32_t **data); diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 149cd63..42b712e 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -342,9 +342,10 @@ bool radeon_ring_supports_scratch_reg(struct radeon_device *rdev, */ void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *ring) { - ring->rptr = radeon_ring_get_rptr(rdev, ring); + uint32_t rptr = radeon_ring_get_rptr(rdev, ring); + /* This works because ring_size is a power of 2 */ - ring->ring_free_dw = (ring->rptr + (ring->ring_size / 4)); + ring->ring_free_dw = rptr + (ring->ring_size / 4); ring->ring_free_dw -= ring->wptr; ring->ring_free_dw &= ring->ptr_mask; if (!ring->ring_free_dw) { @@ -376,7 +377,7 @@ int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *ring, unsi /* This is an empty ring update lockup info to avoid * false positive. */ - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); } ndw = (ndw + ring->align_mask) & ~ring->align_mask; while (ndw > (ring->ring_free_dw - 1)) { @@ -490,8 +491,7 @@ void radeon_ring_force_activity(struct radeon_device *rdev, struct radeon_ring * { int r; - radeon_ring_free_size(rdev, ring); - if (ring->rptr == ring->wptr) { + if (radeon_ring_get_rptr(rdev, ring) == ring->wptr) { r = radeon_ring_alloc(rdev, ring, 1); if (!r) { radeon_ring_write(ring, ring->nop); @@ -507,9 +507,10 @@ void radeon_ring_force_activity(struct radeon_device *rdev, struct radeon_ring * * * Update the last rptr value and timestamp (all asics). */ -void radeon_ring_lockup_update(struct radeon_ring *ring) +void radeon_ring_lockup_update(struct radeon_device *rdev, + struct radeon_ring *ring) { - ring->last_rptr = ring->rptr; + ring->last_rptr = radeon_ring_get_rptr(rdev, ring); ring->last_activity = jiffies; } @@ -535,18 +536,18 @@ void radeon_ring_lockup_update(struct radeon_ring *ring) **/ bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring *ring) { + uint32_t rptr = radeon_ring_get_rptr(rdev, ring); unsigned long cjiffies, elapsed; cjiffies = jiffies; if (!time_after(cjiffies, ring->last_activity)) { /* likely a wrap around */ - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } - ring->rptr = radeon_ring_get_rptr(rdev, ring); - if (ring->rptr != ring->last_rptr) { + if (rptr != ring->last_rptr) { /* CP is still working no lockup */ - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } elapsed = jiffies_to_msecs(cjiffies - ring->last_activity); @@ -709,7 +710,7 @@ int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsig if (radeon_debugfs_ring_init(rdev, ring)) { DRM_ERROR("Failed to register debugfs file for rings !\n"); } - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return 0; } @@ -780,8 +781,6 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data) seq_printf(m, "driver's copy of the wptr: 0x%08x [%5d]\n", ring->wptr, ring->wptr); - seq_printf(m, "driver's copy of the rptr: 0x%08x [%5d]\n", - ring->rptr, ring->rptr); seq_printf(m, "last semaphore signal addr : 0x%016llx\n", ring->last_semaphore_signal_addr); seq_printf(m, "last semaphore wait addr : 0x%016llx\n", diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 8357832..b406a48 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -3434,8 +3434,6 @@ static int si_cp_resume(struct radeon_device *rdev) WREG32(CP_RB0_BASE, ring->gpu_addr >> 8); - ring->rptr = RREG32(CP_RB0_RPTR); - /* ring1 - compute only */ /* Set ring buffer size */ ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]; @@ -3460,8 +3458,6 @@ static int si_cp_resume(struct radeon_device *rdev) WREG32(CP_RB1_BASE, ring->gpu_addr >> 8); - ring->rptr = RREG32(CP_RB1_RPTR); - /* ring2 - compute only */ /* Set ring buffer size */ ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]; @@ -3486,8 +3482,6 @@ static int si_cp_resume(struct radeon_device *rdev) WREG32(CP_RB2_BASE, ring->gpu_addr >> 8); - ring->rptr = RREG32(CP_RB2_RPTR); - /* start the rings */ si_cp_start(rdev); rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true; @@ -3872,7 +3866,7 @@ bool si_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) if (!(reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_CP))) { - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } /* force CP activities */ diff --git a/drivers/gpu/drm/radeon/si_dma.c b/drivers/gpu/drm/radeon/si_dma.c index 59be2cf..c75f533 100644 --- a/drivers/gpu/drm/radeon/si_dma.c +++ b/drivers/gpu/drm/radeon/si_dma.c @@ -49,7 +49,7 @@ bool si_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) mask = RADEON_RESET_DMA1; if (!(reset_mask & mask)) { - radeon_ring_lockup_update(ring); + radeon_ring_lockup_update(rdev, ring); return false; } /* force ring activities */ diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c index d4a68af..0a243f0 100644 --- a/drivers/gpu/drm/radeon/uvd_v1_0.c +++ b/drivers/gpu/drm/radeon/uvd_v1_0.c @@ -262,7 +262,7 @@ int uvd_v1_0_start(struct radeon_device *rdev) /* Initialize the ring buffer's read and write pointers */ WREG32(UVD_RBC_RB_RPTR, 0x0); - ring->wptr = ring->rptr = RREG32(UVD_RBC_RB_RPTR); + ring->wptr = RREG32(UVD_RBC_RB_RPTR); WREG32(UVD_RBC_RB_WPTR, ring->wptr); /* set the ring address */ diff --git a/drivers/gpu/drm/radeon/vce_v1_0.c b/drivers/gpu/drm/radeon/vce_v1_0.c index e0c3534..b44d9c8 100644 --- a/drivers/gpu/drm/radeon/vce_v1_0.c +++ b/drivers/gpu/drm/radeon/vce_v1_0.c @@ -98,14 +98,14 @@ int vce_v1_0_start(struct radeon_device *rdev) WREG32_P(VCE_STATUS, 1, ~1); ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX]; - WREG32(VCE_RB_RPTR, ring->rptr); + WREG32(VCE_RB_RPTR, ring->wptr); WREG32(VCE_RB_WPTR, ring->wptr); WREG32(VCE_RB_BASE_LO, ring->gpu_addr); WREG32(VCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); WREG32(VCE_RB_SIZE, ring->ring_size / 4); ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX]; - WREG32(VCE_RB_RPTR2, ring->rptr); + WREG32(VCE_RB_RPTR2, ring->wptr); WREG32(VCE_RB_WPTR2, ring->wptr); WREG32(VCE_RB_BASE_LO2, ring->gpu_addr); WREG32(VCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));