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drm/radeon/kms: set crtc and cursor offsets correctly on legacy chips. 

The crtc and cursor offsets on the legacy chips are offset from
DISPLAY_BASE_ADDR. The code worked if display base addr was at 0,
but otherwise falls to pieces.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2009-07-09 15:04:19 +10:00
parent 6cdf65855c
commit 4162338a1d
3 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -113,7 +113,7 @@ static void radeon_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj,
WREG32(AVIVO_D1CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, gpu_addr);
else
/* offset is from DISP(2)_BASE_ADDRESS */
WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, gpu_addr);
WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, (gpu_addr-radeon_crtc->legacy_display_base_addr));
}
int radeon_crtc_cursor_set(struct drm_crtc *crtc,

11
drivers/gpu/drm/radeon/radeon_legacy_crtc.c
View File

@ -244,7 +244,12 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
if (radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &base)) {
return -EINVAL;
}
crtc_offset = (u32)base;
/* if scanout was in GTT this really wouldn't work */
/* crtc offset is from display base addr not FB location */
radeon_crtc->legacy_display_base_addr = rdev->mc.vram_location;
base -= radeon_crtc->legacy_display_base_addr;
crtc_offset_cntl = 0;
pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8);
@ -303,11 +308,9 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
base &= ~7;
/* update sarea TODO */
crtc_offset = (u32)base;
WREG32(RADEON_DISPLAY_BASE_ADDR + radeon_crtc->crtc_offset, rdev->mc.vram_location);
WREG32(RADEON_DISPLAY_BASE_ADDR + radeon_crtc->crtc_offset, radeon_crtc->legacy_display_base_addr);
if (ASIC_IS_R300(rdev)) {
if (radeon_crtc->crtc_id)

1
drivers/gpu/drm/radeon/radeon_mode.h
View File

@ -185,6 +185,7 @@ struct radeon_crtc {
uint64_t cursor_addr;
int cursor_width;
int cursor_height;
uint32_t legacy_display_base_addr;
};
#define RADEON_USE_RMX 1