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authorAlex Deucher <alexdeucher@gmail.com>2010-01-05 11:27:29 -0500
committerDave Airlie <airlied@redhat.com>2010-01-08 13:08:56 +1000
commit06b6476d6b291473d0928ed242158a001d50c0f0 (patch)
treea3ffaddfc117b839073ac5c8c52fdf9415a7947e /drivers/gpu
parentfc9a89f97e532152ae614d5ce717b81c8f8b0e91 (diff)
downloadop-kernel-dev-06b6476d6b291473d0928ed242158a001d50c0f0.zip
op-kernel-dev-06b6476d6b291473d0928ed242158a001d50c0f0.tar.gz
drm/radeon/kms: detect sideport memory on IGP chips
This detects if the sideport memory is enabled and if it is VRAM is evicted on suspend/resume. This should fix s/r issues on some IGPs. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/r600.c4
-rw-r--r--drivers/gpu/drm/radeon/radeon.h4
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c37
-rw-r--r--drivers/gpu/drm/radeon/radeon_combios.c14
-rw-r--r--drivers/gpu/drm/radeon/radeon_object.c5
-rw-r--r--drivers/gpu/drm/radeon/rs400.c1
-rw-r--r--drivers/gpu/drm/radeon/rs600.c1
-rw-r--r--drivers/gpu/drm/radeon/rs690.c1
8 files changed, 64 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 5c6058c..921926f 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -726,6 +726,10 @@ int r600_mc_init(struct radeon_device *rdev)
a.full = rfixed_const(100);
rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
+
+ if (rdev->flags & RADEON_IS_IGP)
+ rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
+
return 0;
}
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 53b5560..a7e349d 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -319,10 +319,12 @@ struct radeon_mc {
u64 real_vram_size;
int vram_mtrr;
bool vram_is_ddr;
+ bool igp_sideport_enabled;
};
int radeon_mc_setup(struct radeon_device *rdev);
-
+bool radeon_combios_sideport_present(struct radeon_device *rdev);
+bool radeon_atombios_sideport_present(struct radeon_device *rdev);
/*
* GPU scratch registers structures, functions & helpers
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 1834035..fa82ca7 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -938,6 +938,43 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
return false;
}
+union igp_info {
+ struct _ATOM_INTEGRATED_SYSTEM_INFO info;
+ struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
+};
+
+bool radeon_atombios_sideport_present(struct radeon_device *rdev)
+{
+ struct radeon_mode_info *mode_info = &rdev->mode_info;
+ int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
+ union igp_info *igp_info;
+ u8 frev, crev;
+ u16 data_offset;
+
+ atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
+ &crev, &data_offset);
+
+ igp_info = (union igp_info *)(mode_info->atom_context->bios +
+ data_offset);
+
+ if (igp_info) {
+ switch (crev) {
+ case 1:
+ if (igp_info->info.ucMemoryType & 0xf0)
+ return true;
+ break;
+ case 2:
+ if (igp_info->info_2.ucMemoryType & 0x0f)
+ return true;
+ break;
+ default:
+ DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
+ break;
+ }
+ }
+ return false;
+}
+
bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
struct radeon_encoder_int_tmds *tmds)
{
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 58f3426..7914455 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -595,6 +595,20 @@ bool radeon_combios_get_clock_info(struct drm_device *dev)
return false;
}
+bool radeon_combios_sideport_present(struct radeon_device *rdev)
+{
+ struct drm_device *dev = rdev->ddev;
+ u16 igp_info;
+
+ igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
+
+ if (igp_info) {
+ if (RBIOS16(igp_info + 0x4))
+ return true;
+ }
+ return false;
+}
+
static const uint32_t default_primarydac_adj[CHIP_LAST] = {
0x00000808, /* r100 */
0x00000808, /* rv100 */
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index d9ffe1f..4e636de 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -221,8 +221,9 @@ int radeon_bo_unpin(struct radeon_bo *bo)
int radeon_bo_evict_vram(struct radeon_device *rdev)
{
if (rdev->flags & RADEON_IS_IGP) {
- /* Useless to evict on IGP chips */
- return 0;
+ if (rdev->mc.igp_sideport_enabled == false)
+ /* Useless to evict on IGP chips */
+ return 0;
}
return ttm_bo_evict_mm(&rdev->mman.bdev, TTM_PL_VRAM);
}
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index 368415d..bf7b3cf 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -356,6 +356,7 @@ static int rs400_mc_init(struct radeon_device *rdev)
rdev->mc.vram_location = G_00015C_MC_FB_START(tmp) << 16;
rdev->mc.gtt_location = 0xFFFFFFFFUL;
r = radeon_mc_setup(rdev);
+ rdev->mc.igp_sideport_enabled = radeon_combios_sideport_present(rdev);
if (r)
return r;
return 0;
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 4245218..1925894 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -56,6 +56,7 @@ 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 1e22f52..42f2720 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -172,6 +172,7 @@ 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;
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