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drm/radeon/kms: move r7xx/evergreen to its own vram_gtt setup function

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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@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-11-22 17:56:26 -05:00 committed by Dave Airlie
parent 4339c442c0
commit 0ef0c1f734
4 changed files with 46 additions and 4 deletions
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2
drivers/gpu/drm/radeon/evergreen.c
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@ -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;

2
drivers/gpu/drm/radeon/r600.c
View File

@ -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;

2
drivers/gpu/drm/radeon/radeon.h
View File

@ -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);

44
drivers/gpu/drm/radeon/rv770.c
View File

@ -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;