[Bug,32556] screen flickers all the time with desktop image appearing only briefly

Commit Message

[e-mail] Dec. 22, 2010, 7:28 p.m. UTC

None

Patch

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c
b/drivers/gpu/drm/radeon/atombios_crtc.c
index b0ab185..0be8015 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -525,7 +525,7 @@  static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                    (rdev->family == CHIP_RS690) ||
                    (rdev->family == CHIP_RS740))
                        pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
-                                      RADEON_PLL_PREFER_CLOSEST_LOWER);
+                                      RADEON_PLL_PREFER_CLOSEST_HIGHER);

                if (ASIC_IS_DCE32(rdev) && mode->clock > 200000)        /*
range limits??? */
                        pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;

Or:

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c
b/drivers/gpu/drm/radeon/atombios_crtc.c
index b0ab185..91facc8 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -525,7 +525,7 @@  static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                    (rdev->family == CHIP_RS690) ||
                    (rdev->family == CHIP_RS740))
                        pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
-                                      RADEON_PLL_PREFER_CLOSEST_LOWER);
+                                      RADEON_PLL_NO_ODD_POST_DIV);

                if (ASIC_IS_DCE32(rdev) && mode->clock > 200000)        /*
range limits??? */