In the short term: I found that the DRM fixes in 2.6.34.3-rc1 all seem
to be applicable to Debian. We have DRM from 2.6.33 plus Dave's
backport of Radeon Evergreen support; full gory details at:
git://git.debian.org/kernel/linux-2.6.git squeeze
Please advise if any of these are not applicable.
commit a1efd14a99483a4fb9308902397ed86b69454c99
Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Date: Mon Jul 12 19:35:38 2010 +0100
drm/i915: Check overlay stride errata for i830 and i845
commit 812d046915f48236657f02c06d7dc47140e9ceda
Author: Alex Deucher <alexdeucher@xxxxxxxxx>
Date: Mon Jul 26 18:51:53 2010 -0400
drm/radeon/kms/r7xx: add workaround for hw issue with HDP flush
commit 2e98f10a7a87ebae4dcc3949028a32008b46ceef
Author: Dave Airlie <airlied@xxxxxxxxxx>
Date: Mon Feb 15 15:54:45 2010 +1000
drm/radeon/kms: flush HDP cache on GART table updates.
This is not in 2.6.34.3-rc1 but is necessary for the previous patch.
commit 1297c05a8dfb568c689f057d51a65eebe5ddc86f
Author: Alex Deucher <alexdeucher@xxxxxxxxx>
Date: Wed Aug 4 11:40:00 2010 -0400
drm/radeon: add new pci ids
commit 4c70b2eae371ebe83019ac47de6088b78124ab36
Author: Alex Deucher <alexdeucher@xxxxxxxxx>
Date: Mon Aug 2 19:39:15 2010 -0400
drm/radeon/kms/igp: sideport is AMD only
This required some massaging; here's the backported version:
From: Alex Deucher <alexdeucher@xxxxxxxxx>
Date: Mon, 2 Aug 2010 19:39:15 -0400
Subject: [PATCH] drm/radeon/kms/igp: sideport is AMD only
commit 4c70b2eae371ebe83019ac47de6088b78124ab36 upstream.
Intel variants don't support it.
Signed-off-by: Alex Deucher <alexdeucher@xxxxxxxxx>
Cc: stable@xxxxxxxxxx
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
[bwh: Backport to 2.6.33]
---
drivers/gpu/drm/radeon/radeon_atombios.c | 15 ++++++---------
drivers/gpu/drm/radeon/radeon_combios.c | 4 ++++
drivers/gpu/drm/radeon/rs600.c | 1 -
drivers/gpu/drm/radeon/rs690.c | 2 +-
4 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index d3d6d86..44f00b6 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1002,6 +1002,10 @@ bool radeon_atombios_sideport_present(struct radeon_device *rdev)
u8 frev, crev;
u16 data_offset;
+ /* sideport is AMD only */
+ if (rdev->family == CHIP_RS600)
+ return false;
+
atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
&crev, &data_offset);
@@ -1011,15 +1015,8 @@ bool radeon_atombios_sideport_present(struct radeon_device *rdev)
if (igp_info) {
switch (crev) {
case 1:
- /* AMD IGPS */
- if ((rdev->family == CHIP_RS690) ||
- (rdev->family == CHIP_RS740)) {
- if (igp_info->info.ulBootUpMemoryClock)
- return true;
- } else {
- if (igp_info->info.ucMemoryType & 0xf0)
- return true;
- }
+ if (igp_info->info.ulBootUpMemoryClock)
+ return true;
break;
case 2:
if (igp_info->info_2.ucMemoryType & 0x0f)
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index f611123..f357585 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -601,6 +601,10 @@ bool radeon_combios_sideport_present(struct radeon_device *rdev)
struct drm_device *dev = rdev->ddev;
u16 igp_info;
+ /* sideport is AMD only */
+ if (rdev->family == CHIP_RS400)
+ return false;
+
igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
if (igp_info) {
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index a27c09f..d9a0187 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -56,7 +56,6 @@ int rs600_mc_init(struct radeon_device *rdev)
rdev->mc.vram_location = G_000004_MC_FB_START(tmp) << 16;
rdev->mc.gtt_location = 0xffffffffUL;
r = radeon_mc_setup(rdev);
- rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
if (r)
return r;
return 0;
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 06e2771..eb4816f 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -150,6 +150,7 @@ void rs690_vram_info(struct radeon_device *rdev)
if (rdev->mc.real_vram_size > rdev->mc.aper_size)
rdev->mc.real_vram_size = rdev->mc.aper_size;
+ rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
rs690_pm_info(rdev);
/* FIXME: we should enforce default clock in case GPU is not in
* default setup
@@ -172,7 +173,6 @@ static int rs690_mc_init(struct radeon_device *rdev)
rdev->mc.vram_location = G_000100_MC_FB_START(tmp) << 16;
rdev->mc.gtt_location = 0xFFFFFFFFUL;
r = radeon_mc_setup(rdev);
- rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
if (r)
return r;
return 0;
--
Ben.
--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
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