diff options
| author | Mauro Rossi <issor.oruam@gmail.com> | 2018-08-12 21:43:03 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-08-27 11:10:19 -0500 |
| commit | a69e40fd824ddae4f515ca8e754882bebf644ed4 (patch) | |
| tree | 32b9b6c846280d4ce4ec91ddac74343cd078d6a3 /drivers/gpu/drm/radeon/atombios_crtc.c | |
| parent | 00ecc6e6d4eeba9681ec91f9601a9ed1a68a9e7f (diff) | |
| download | linux-a69e40fd824ddae4f515ca8e754882bebf644ed4.tar.gz | |
drm/radeon: enable ABGR and XBGR formats (v2)
Add support for DRM_FORMAT_{A,X}BGR8888 in atombios_crtc
Swapping of red and blue channels is implemented for radeon chipsets:
DCE2/R6xx and later - crossbar registers defined where needed and used
DCE1/R5xx - AVIVO_D1GRPH_SWAP_RB bit is used
(v2) Set AVIVO_D1GRPH_SWAP_RB bit in fb_format, using bitwise OR for DCE1 path
Use bitwise OR where required for big endian settings in fb_swap
Use existing code style CHIP_R600 condition, fix typo in R600 blue crossbar
Signed-off-by: Mauro Rossi <issor.oruam@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index efbd5816082d..d75ae17ff3ad 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1254,6 +1254,16 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ bypass_lut = true; break; + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | + EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888)); + fb_swap = (EVERGREEN_GRPH_RED_CROSSBAR(EVERGREEN_GRPH_RED_SEL_B) | + EVERGREEN_GRPH_BLUE_CROSSBAR(EVERGREEN_GRPH_BLUE_SEL_R)); +#ifdef __BIG_ENDIAN + fb_swap |= EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); +#endif + break; default: DRM_ERROR("Unsupported screen format %s\n", drm_get_format_name(target_fb->format->format, &format_name)); @@ -1551,6 +1561,21 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc, /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ bypass_lut = true; break; + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + fb_format = + AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | + AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888; + if (rdev->family >= CHIP_R600) + fb_swap = + (R600_D1GRPH_RED_CROSSBAR(R600_D1GRPH_RED_SEL_B) | + R600_D1GRPH_BLUE_CROSSBAR(R600_D1GRPH_BLUE_SEL_R)); + else /* DCE1 (R5xx) */ + fb_format |= AVIVO_D1GRPH_SWAP_RB; +#ifdef __BIG_ENDIAN + fb_swap |= R600_D1GRPH_SWAP_ENDIAN_32BIT; +#endif + break; default: DRM_ERROR("Unsupported screen format %s\n", drm_get_format_name(target_fb->format->format, &format_name)); |