Attachment 33875 Details for Bug 26064 – gen3 display flip cmd

[patch] gen3 display flip cmd

drm-i915-gen3-display-flip-cmd.patch (text/plain), 1.21 KB, created by Wang Zhenyu on 2010-03-09 00:27:55 UTC

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Creator: Wang Zhenyu

Created: 2010-03-09 00:27:55 UTC

Size: 1.21 KB

patch

obsolete

>diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
>index ab1bd2d..21ba63e 100644
>--- a/drivers/gpu/drm/i915/i915_reg.h
>+++ b/drivers/gpu/drm/i915/i915_reg.h
>@@ -158,6 +158,7 @@
> #define   MI_OVERLAY_OFF	(0x2<<21)
> #define MI_LOAD_SCAN_LINES_INCL MI_INSTR(0x12, 0)
> #define MI_DISPLAY_FLIP		MI_INSTR(0x14, 2)
>+#define MI_DISPLAY_BUFFER_INFO	MI_INSTR(0x14, 1)
> #define   MI_DISPLAY_FLIP_PLANE(n) ((n) << 20)
> #define MI_STORE_DWORD_IMM	MI_INSTR(0x20, 1)
> #define   MI_MEM_VIRTUAL	(1 << 22) /* 965+ only */
>diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
>index b27202d..893a94e 100644
>--- a/drivers/gpu/drm/i915/intel_display.c
>+++ b/drivers/gpu/drm/i915/intel_display.c
>@@ -4234,8 +4234,12 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
> 	work->pending_flip_obj = obj;
> 
> 	BEGIN_LP_RING(4);
>-	OUT_RING(MI_DISPLAY_FLIP |
>-		 MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
>+	if (IS_I965G(dev))
>+		OUT_RING(MI_DISPLAY_FLIP |
>+			 MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
>+	else
>+		OUT_RING(MI_DISPLAY_BUFFER_INFO |
>+			 MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
> 	OUT_RING(fb->pitch);
> 	if (IS_I965G(dev)) {
> 		OUT_RING(obj_priv->gtt_offset | obj_priv->tiling_mode);

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Attachments on bug 26064: 32659 | 33485 | 33555 | 33875

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