Attachment 36035 Details for Bug 28016 – HDP NONSURF to maximum size

[patch] HDP NONSURF to maximum size

0001-drm-radeon-kms-Force-HDP_NONSURF-to-maximum-size.patch (text/plain), 1.92 KB, created by Jerome Glisse on 2010-06-03 12:10:06 UTC

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Creator: Jerome Glisse

Created: 2010-06-03 12:10:06 UTC

Size: 1.92 KB

patch

obsolete

>From 398ac923a3f48842f455a0376d556b2309d65c92 Mon Sep 17 00:00:00 2001
>From: Jerome Glisse <jglisse@redhat.com>
>Date: Thu, 3 Jun 2010 19:27:52 +0200
>Subject: [PATCH] drm/radeon/kms: Force HDP_NONSURF to maximum size
>
>HDP non surface should cover the whole VRAM but we were misscomputing
>the size and we endup in some case not covering the VRAM at all (if
>VRAM size were > 1G). Covering more than the VRAM size shouldn't be
>an issue.
>
>Fix : https://bugs.freedesktop.org/show_bug.cgi?id=28016
>
>Signed-off-by: Jerome Glisse <jglisse@redhat.com>
>---
> drivers/gpu/drm/radeon/r600.c  |    2 +-
> drivers/gpu/drm/radeon/rv770.c |    2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
>index d84d7cf..f68cc92 100644
>--- a/drivers/gpu/drm/radeon/r600.c
>+++ b/drivers/gpu/drm/radeon/r600.c
>@@ -1010,7 +1010,7 @@ static void r600_mc_program(struct radeon_device *rdev)
> 	WREG32(MC_VM_FB_LOCATION, tmp);
> 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
> 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
>-	WREG32(HDP_NONSURFACE_SIZE, rdev->mc.mc_vram_size | 0x3FF);
>+	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
> 	if (rdev->flags & RADEON_IS_AGP) {
> 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
> 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
>diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
>index 5f76938..b91272f 100644
>--- a/drivers/gpu/drm/radeon/rv770.c
>+++ b/drivers/gpu/drm/radeon/rv770.c
>@@ -218,7 +218,7 @@ static void rv770_mc_program(struct radeon_device *rdev)
> 	WREG32(MC_VM_FB_LOCATION, tmp);
> 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
> 	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
>-	WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
>+	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
> 	if (rdev->flags & RADEON_IS_AGP) {
> 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
> 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
>-- 
>1.7.0.1
>

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Attachments on bug 28016: 35492 | 35493 | 35498 | 35552 | 35553 | 36035

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