MC_VM_FB_LOCATION is at a different offset between r6xx and r7xx/evergreen.
The location is needed for vram setup on fusion chips.
Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
---
drivers/gpu/drm/radeon/evergreen.c | 2 +-
drivers/gpu/drm/radeon/r600.c | 2 +-
drivers/gpu/drm/radeon/radeon.h | 2 +-
drivers/gpu/drm/radeon/rv770.c | 44 +++++++++++++++++++++++++++++++++++-
4 files changed, 46 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c
b/drivers/gpu/drm/radeon/evergreen.c
index 728358e..e9b262f 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1945,7 +1945,7 @@ int evergreen_mc_init(struct radeon_device *rdev)
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
rdev->mc.visible_vram_size = rdev->mc.aper_size;
rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
- r600_vram_gtt_location(rdev, &rdev->mc);
+ r700_vram_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);
return 0;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index a355259..93b1c68 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1161,7 +1161,7 @@ static void r600_mc_program(struct radeon_device *rdev)
* Note: GTT start, end, size should be initialized before calling this
* function on AGP platform.
*/
-void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
+static void r600_vram_gtt_location(struct radeon_device *rdev, struct
radeon_mc *mc)
{
u64 size_bf, size_af;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index cfaf713..bf3a4fc 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1433,7 +1433,6 @@ extern void rs690_line_buffer_adjust(struct radeon_device
*rdev,
struct drm_display_mode *mode2);
/* r600, rv610, rv630, rv620, rv635, rv670, rs780, rs880 */
-extern void r600_vram_gtt_location(struct radeon_device *rdev, struct
radeon_mc *mc);
extern bool r600_card_posted(struct radeon_device *rdev);
extern void r600_cp_stop(struct radeon_device *rdev);
extern int r600_cp_start(struct radeon_device *rdev);
@@ -1479,6 +1478,7 @@ extern void r600_hdmi_setmode(struct drm_encoder
*encoder, struct drm_display_mo
extern int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder);
extern void r600_hdmi_update_audio_settings(struct drm_encoder *encoder);
+extern void r700_vram_gtt_location(struct radeon_device *rdev, struct
radeon_mc *mc);
extern void r700_cp_stop(struct radeon_device *rdev);
extern void r700_cp_fini(struct radeon_device *rdev);
extern void evergreen_disable_interrupt_state(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 24ebd08..c23349a 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -1001,6 +1001,48 @@ static void rv770_vram_scratch_fini(struct radeon_device
*rdev)
radeon_bo_unref(&rdev->vram_scratch.robj);
}
+void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
+{
+ u64 size_bf, size_af;
+
+ if (mc->mc_vram_size > 0xE0000000) {
+ /* leave room for at least 512M GTT */
+ dev_warn(rdev->dev, "limiting VRAM\n");
+ mc->real_vram_size = 0xE0000000;
+ mc->mc_vram_size = 0xE0000000;
+ }
+ if (rdev->flags & RADEON_IS_AGP) {
+ size_bf = mc->gtt_start;
+ size_af = 0xFFFFFFFF - mc->gtt_end + 1;
+ if (size_bf > size_af) {
+ if (mc->mc_vram_size > size_bf) {
+ dev_warn(rdev->dev, "limiting VRAM\n");
+ mc->real_vram_size = size_bf;
+ mc->mc_vram_size = size_bf;
+ }
+ mc->vram_start = mc->gtt_start - mc->mc_vram_size;
+ } else {
+ if (mc->mc_vram_size > size_af) {
+ dev_warn(rdev->dev, "limiting VRAM\n");
+ mc->real_vram_size = size_af;
+ mc->mc_vram_size = size_af;
+ }
+ mc->vram_start = mc->gtt_end;
+ }
+ mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
+ dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM
used)\n",
+ mc->mc_vram_size >> 20, mc->vram_start,
+ mc->vram_end, mc->real_vram_size >> 20);
+ } else {
+ u64 base = 0;
+ if (rdev->flags & RADEON_IS_IGP)
+ base = (RREG32(MC_VM_FB_LOCATION) & 0xFFFF) << 24;
+ radeon_vram_location(rdev, &rdev->mc, base);
+ rdev->mc.gtt_base_align = 0;
+ radeon_gtt_location(rdev, mc);
+ }
+}
+
int rv770_mc_init(struct radeon_device *rdev)
{
u32 tmp;
@@ -1041,7 +1083,7 @@ int rv770_mc_init(struct radeon_device *rdev)
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.visible_vram_size = rdev->mc.aper_size;
rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
- r600_vram_gtt_location(rdev, &rdev->mc);
+ r700_vram_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);
return 0;
--
1.7.1.1
