This is a note to let you know that I've just added the patch titled
[stable] [PATCH] drm/radeon/kms: fix gart setup on fusion parts (v2)
backport
to the 2.6.38-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-kms-fix-gart-setup-on-fusion-parts-v2-backport.patch
and it can be found in the queue-2.6.38 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From [email protected] Mon May 9 16:35:34 2011
From: Alex Deucher <[email protected]>
Date: Fri, 6 May 2011 14:29:55 -0400
Subject: [stable] [PATCH] drm/radeon/kms: fix gart setup on fusion parts (v2)
backport
To: [email protected]
Cc: Alex Deucher <[email protected]>, [email protected], [email protected]
Message-ID: <[email protected]>
From: Alex Deucher <[email protected]>
Backport of 8aeb96f80232e9a701b5c4715504f4c9173978bd
(drm/radeon/kms: fix gart setup on fusion parts (v2))
to the stable tree.
Out of the entire GART/VM subsystem, the hw designers changed
the location of 3 regs.
v2: airlied: add parameter for userspace to work from.
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Jerome Glisse <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/evergreen.c | 17 +++++++++--------
drivers/gpu/drm/radeon/evergreend.h | 5 +++++
drivers/gpu/drm/radeon/radeon_kms.c | 3 +++
include/drm/radeon_drm.h | 1 +
4 files changed, 18 insertions(+), 8 deletions(-)
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -869,9 +869,15 @@ int evergreen_pcie_gart_enable(struct ra
SYSTEM_ACCESS_MODE_NOT_IN_SYS |
SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
- WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
- WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
- WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
+ if (rdev->flags & RADEON_IS_IGP) {
+ WREG32(FUS_MC_VM_MD_L1_TLB0_CNTL, tmp);
+ WREG32(FUS_MC_VM_MD_L1_TLB1_CNTL, tmp);
+ WREG32(FUS_MC_VM_MD_L1_TLB2_CNTL, tmp);
+ } else {
+ WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
+ WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
+ WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
+ }
WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
@@ -2930,11 +2936,6 @@ static int evergreen_startup(struct rade
rdev->asic->copy = NULL;
dev_warn(rdev->dev, "failed blitter (%d) falling back to
memcpy\n", r);
}
- /* XXX: ontario has problems blitting to gart at the moment */
- if (rdev->family == CHIP_PALM) {
- rdev->asic->copy = NULL;
- radeon_ttm_set_active_vram_size(rdev,
rdev->mc.visible_vram_size);
- }
/* allocate wb buffer */
r = radeon_wb_init(rdev);
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -221,6 +221,11 @@
#define MC_VM_MD_L1_TLB0_CNTL 0x2654
#define MC_VM_MD_L1_TLB1_CNTL 0x2658
#define MC_VM_MD_L1_TLB2_CNTL 0x265C
+
+#define FUS_MC_VM_MD_L1_TLB0_CNTL 0x265C
+#define FUS_MC_VM_MD_L1_TLB1_CNTL 0x2660
+#define FUS_MC_VM_MD_L1_TLB2_CNTL 0x2664
+
#define MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR 0x203C
#define MC_VM_SYSTEM_APERTURE_HIGH_ADDR 0x2038
#define MC_VM_SYSTEM_APERTURE_LOW_ADDR 0x2034
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -205,6 +205,9 @@ int radeon_info_ioctl(struct drm_device
/* return clock value in KHz */
value = rdev->clock.spll.reference_freq * 10;
break;
+ case RADEON_INFO_FUSION_GART_WORKING:
+ value = 1;
+ break;
default:
DRM_DEBUG_KMS("Invalid request %d\n", info->request);
return -EINVAL;
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -908,6 +908,7 @@ struct drm_radeon_cs {
#define RADEON_INFO_WANT_HYPERZ 0x07
#define RADEON_INFO_WANT_CMASK 0x08 /* get access to CMASK on r300 */
#define RADEON_INFO_CLOCK_CRYSTAL_FREQ 0x09 /* clock crystal frequency */
+#define RADEON_INFO_FUSION_GART_WORKING 0x0c /* fusion writes to GTT
were broken before this */
struct drm_radeon_info {
uint32_t request;
Patches currently in stable-queue which might be from [email protected] are
queue-2.6.38/drm-radeon-kms-add-pci-id-to-acer-travelmate-quirk-for-5730.patch
queue-2.6.38/drm-radeon-kms-fix-gart-setup-on-fusion-parts-v2-backport.patch
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