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drm/radeon/kms: reprogram format in set base.

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This should in theory fix the problem with a mode set being required
for adjusting the color depth.

This also adds in the necessary bits to the format tables for
8-bit, though it doesn't work yet.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2009-09-16 10:15:21 +10:00 committed by Dave Airlie
parent 65cb15a686
commit 41456df2d4
2 changed files with 46 additions and 0 deletions
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5
drivers/gpu/drm/radeon/atombios_crtc.c
View file

@ -488,6 +488,11 @@ int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
}
switch (crtc->fb->bits_per_pixel) {
case 8:
fb_format =
AVIVO_D1GRPH_CONTROL_DEPTH_8BPP |
AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
break;
case 15:
fb_format =
AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |

41
drivers/gpu/drm/radeon/radeon_legacy_crtc.c
View file

@ -341,6 +341,9 @@ void radeon_legacy_atom_set_surface(struct drm_crtc *crtc)
uint32_t crtc_pitch;
switch (crtc->fb->bits_per_pixel) {
case 8:
format = 2;
break;
case 15: /* 555 */
format = 3;
break;
@ -401,11 +404,33 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
uint32_t crtc_offset, crtc_offset_cntl, crtc_tile_x0_y0 = 0;
uint32_t crtc_pitch, pitch_pixels;
uint32_t tiling_flags;
int format;
uint32_t gen_cntl_reg, gen_cntl_val;
DRM_DEBUG("\n");
radeon_fb = to_radeon_framebuffer(crtc->fb);
switch (crtc->fb->bits_per_pixel) {
case 8:
format = 2;
break;
case 15: /* 555 */
format = 3;
break;
case 16: /* 565 */
format = 4;
break;
case 24: /* RGB */
format = 5;
break;
case 32: /* xRGB */
format = 6;
break;
default:
return false;
}
obj = radeon_fb->obj;
if (radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &base)) {
return -EINVAL;
@ -458,6 +483,9 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
} else {
int offset = y * pitch_pixels + x;
switch (crtc->fb->bits_per_pixel) {
case 8:
offset *= 1;
break;
case 15:
case 16:
offset *= 2;
@ -476,6 +504,16 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
base &= ~7;
if (radeon_crtc->crtc_id == 1)
gen_cntl_reg = RADEON_CRTC2_GEN_CNTL;
else
gen_cntl_reg = RADEON_CRTC_GEN_CNTL;
gen_cntl_val = RREG32(gen_cntl_reg);
gen_cntl_val &= ~(0xf << 8);
gen_cntl_val |= (format << 8);
WREG32(gen_cntl_reg, gen_cntl_val);
crtc_offset = (u32)base;
WREG32(RADEON_DISPLAY_BASE_ADDR + radeon_crtc->crtc_offset, radeon_crtc->legacy_display_base_addr);
@ -526,6 +564,9 @@ static bool radeon_set_crtc_timing(struct drm_crtc *crtc, struct drm_display_mod
}
switch (crtc->fb->bits_per_pixel) {
case 8:
format = 2;
break;
case 15: /* 555 */
format = 3;
break;