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authorDaniel Vetter <daniel.vetter@ffwll.ch>2010-08-04 21:22:09 +0200
committerEric Anholt <eric@anholt.net>2010-08-09 20:24:30 +0200
commit69d0b96c095468526009cb3104eee561c9252a84 (patch)
tree4589586a0d5a86174cfe13ee5976ef179dbca037 /drivers
parentdrm/i915: report all active objects as busy (diff)
downloadlinux-69d0b96c095468526009cb3104eee561c9252a84.tar.xz
linux-69d0b96c095468526009cb3104eee561c9252a84.zip
drm/i915: fixup pageflip ringbuffer commands for i8xx
Add a new path for 2nd gen chips that uses the commands for i81x chips (where public docs do exist) augmented with the plane bits from i915. It seems to work and doesn't result in a black screen like before. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: stable@kernel.org [anholt: resolved against conflict] Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f3b014fe3508..ce7a46b6909b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5119,12 +5119,18 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
OUT_RING(offset | obj_priv->tiling_mode);
pipesrc = I915_READ(pipesrc_reg);
OUT_RING(pipesrc & 0x0fff0fff);
- } else {
+ } else if (IS_GEN3(dev)) {
OUT_RING(MI_DISPLAY_FLIP_I915 |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
OUT_RING(fb->pitch);
OUT_RING(offset);
OUT_RING(MI_NOOP);
+ } else {
+ OUT_RING(MI_DISPLAY_FLIP |
+ MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
+ OUT_RING(fb->pitch);
+ OUT_RING(offset);
+ OUT_RING(MI_NOOP);
}
ADVANCE_LP_RING();