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| author | Dave Airlie <airlied@redhat.com> | 2010-10-06 12:57:50 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-10-06 12:57:50 +1000 |
| commit | 96a03fce54af40b4f0820cd729608bc32c9b8949 (patch) | |
| tree | 91fbbaaacba4fe8562c5544460e99f3b09122e85 /drivers/gpu/drm/radeon/radeon_display.c | |
| parent | 0c8eb0dc65f5a78b252eeff6c729ba4741390e23 (diff) | |
| parent | a424d761a00c0233cb7734a8cd572ecd6d0362aa (diff) | |
| download | kernel_samsung_smdk4412-96a03fce54af40b4f0820cd729608bc32c9b8949.zip kernel_samsung_smdk4412-96a03fce54af40b4f0820cd729608bc32c9b8949.tar.gz kernel_samsung_smdk4412-96a03fce54af40b4f0820cd729608bc32c9b8949.tar.bz2 | |
Merge branch 'drm-kdb-next' into drm-core-next
* drm-kdb-next:
drm/nouveau/kms: Avoid a hang entering KDB with VT accel on.
radeon, kdb, kms: Save and restore the LUT on atomic KMS enter/exit
drm, kdb, kms: Add an enter argument to mode_set_base_atomic() API
drm/nouveau/kms: Implement KDB debug hooks for nouveau KMS.
drm/radeon/kms: Implement KDB debug hooks for radeon KMS.
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index b92d2f2..26935cf 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -138,6 +138,38 @@ void radeon_crtc_load_lut(struct drm_crtc *crtc) legacy_crtc_load_lut(crtc); } +void radeon_crtc_save_lut(struct drm_crtc *crtc) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + int i; + + if (!crtc->enabled) + return; + + for (i = 0; i < 256; i++) { + radeon_crtc->lut_r_copy[i] = radeon_crtc->lut_r[i]; + radeon_crtc->lut_g_copy[i] = radeon_crtc->lut_g[i]; + radeon_crtc->lut_b_copy[i] = radeon_crtc->lut_b[i]; + } +} + +void radeon_crtc_restore_lut(struct drm_crtc *crtc) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + int i; + + if (!crtc->enabled) + return; + + for (i = 0; i < 256; i++) { + radeon_crtc->lut_r[i] = radeon_crtc->lut_r_copy[i]; + radeon_crtc->lut_g[i] = radeon_crtc->lut_g_copy[i]; + radeon_crtc->lut_b[i] = radeon_crtc->lut_b_copy[i]; + } + + radeon_crtc_load_lut(crtc); +} + /** Sets the color ramps on behalf of fbcon */ void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, int regno) |