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drm/radeon/kms: fix vram setup on rs600/rs690/rs740 

Don't remap vram to 0 on IGP chips.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2009-12-06 19:45:17 -05:00 committed by Dave Airlie
parent 2a008d0ccd
commit 22dd50133a
3 changed files with 21 additions and 5 deletions
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2
drivers/gpu/drm/radeon/rs400.c
View File

@ -352,7 +352,7 @@ static int rs400_mc_init(struct radeon_device *rdev)
u32 tmp;
/* Setup GPU memory space */
tmp = G_00015C_MC_FB_START(RREG32(R_00015C_NB_TOM));
tmp = RREG32(R_00015C_NB_TOM);
rdev->mc.vram_location = G_00015C_MC_FB_START(tmp) << 16;
rdev->mc.gtt_location = 0xFFFFFFFFUL;
r = radeon_mc_setup(rdev);

7
drivers/gpu/drm/radeon/rs600.c
View File

@ -48,11 +48,12 @@ int rs600_mc_wait_for_idle(struct radeon_device *rdev);
int rs600_mc_init(struct radeon_device *rdev)
{
/* read back the MC value from the hw */
uint32_t mc_fb_loc;
int r;
u32 tmp;
mc_fb_loc = RREG32_MC(R_000004_MC_FB_LOCATION);
rdev->mc.vram_location = G_000004_MC_FB_START(mc_fb_loc) << 16;
/* Setup GPU memory space */
tmp = RREG32_MC(R_000004_MC_FB_LOCATION);
rdev->mc.vram_location = G_000004_MC_FB_START(tmp) << 16;
rdev->mc.gtt_location = 0xffffffffUL;
r = radeon_mc_setup(rdev);
if (r)

17
drivers/gpu/drm/radeon/rs690.c
View File

@ -162,6 +162,21 @@ void rs690_vram_info(struct radeon_device *rdev)
rdev->pm.core_bandwidth.full = rfixed_div(rdev->pm.sclk, a);
}
static int rs690_mc_init(struct radeon_device *rdev)
{
int r;
u32 tmp;
/* Setup GPU memory space */
tmp = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
rdev->mc.vram_location = G_000100_MC_FB_START(tmp) << 16;
rdev->mc.gtt_location = 0xFFFFFFFFUL;
r = radeon_mc_setup(rdev);
if (r)
return r;
return 0;
}
void rs690_line_buffer_adjust(struct radeon_device *rdev,
struct drm_display_mode *mode1,
struct drm_display_mode *mode2)
@ -710,7 +725,7 @@ int rs690_init(struct radeon_device *rdev)
/* Get vram informations */
rs690_vram_info(rdev);
/* Initialize memory controller (also test AGP) */
r = r420_mc_init(rdev);
r = rs690_mc_init(rdev);
if (r)
return r;
rv515_debugfs(rdev);