diff options
author | James Simmons <jsimmons@infradead.org> | 2010-08-03 01:33:19 +0100 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2010-08-10 10:47:00 +1000 |
commit | 7203425a943eb3e189ba6b512827e0deb5f23872 (patch) | |
tree | e0fdc7ed583f6990bbffde67f4f45b1f11b5a39e | |
parent | 38fcbb674d7cc37b38473a89e8045ee80364e4f9 (diff) | |
download | linux-7203425a943eb3e189ba6b512827e0deb5f23872.tar.bz2 |
drm: expand gamma_set
Expand the crtc_gamma_set function to accept a starting offset. The
reason for this is to eventually use this function for setcolreg from
drm_fb_helper.c. The fbdev colormap function can start at any offset in
the color map.
Signed-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 9 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nv04_crtc.c | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nv50_crtc.c | 9 | ||||
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 2 | ||||
-rw-r--r-- | include/drm/drm_crtc.h | 2 |
7 files changed, 16 insertions, 28 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index bdd0d903872a..37e0b4fa482a 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2541,7 +2541,7 @@ int drm_mode_gamma_set_ioctl(struct drm_device *dev, goto out; } - crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, crtc->gamma_size); + crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); out: mutex_unlock(&dev->mode_config.mutex); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ec8336a4b7de..6bb5ffc76ced 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4330,15 +4330,12 @@ void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, } static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, uint32_t size) + u16 *blue, uint32_t start, uint32_t size) { + int end = (start + size > 256) ? 256 : start + size, i; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - int i; - - if (size != 256) - return; - for (i = 0; i < 256; i++) { + for (i = start; i < end; i++) { intel_crtc->lut_r[i] = red[i] >> 8; intel_crtc->lut_g[i] = green[i] >> 8; intel_crtc->lut_b[i] = blue[i] >> 8; diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c index 96f46c421fa5..497df8765f28 100644 --- a/drivers/gpu/drm/nouveau/nv04_crtc.c +++ b/drivers/gpu/drm/nouveau/nv04_crtc.c @@ -742,15 +742,13 @@ nv_crtc_gamma_load(struct drm_crtc *crtc) } static void -nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, uint32_t size) +nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, uint32_t start, + uint32_t size) { + int end = (start + size > 256) ? 256 : start + size, i; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); - int i; - - if (size != 256) - return; - for (i = 0; i < 256; i++) { + for (i = start; i < end; i++) { nv_crtc->lut.r[i] = r[i]; nv_crtc->lut.g[i] = g[i]; nv_crtc->lut.b[i] = b[i]; diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c index dbd9a63bc7f2..bfd4ca2fe7ef 100644 --- a/drivers/gpu/drm/nouveau/nv50_crtc.c +++ b/drivers/gpu/drm/nouveau/nv50_crtc.c @@ -398,15 +398,12 @@ nv50_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) static void nv50_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, - uint32_t size) + uint32_t start, uint32_t size) { + int end = (start + size > 256) ? 256 : start + size, i; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); - int i; - - if (size != 256) - return; - for (i = 0; i < 256; i++) { + for (i = start; i < end; i++) { nv_crtc->lut.r[i] = r[i]; nv_crtc->lut.g[i] = g[i]; nv_crtc->lut.b[i] = b[i]; diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 6130ec9ed502..5764f4d3b4f1 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -161,17 +161,13 @@ void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, } static void radeon_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, uint32_t size) + u16 *blue, uint32_t start, uint32_t size) { struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); - int i; - - if (size != 256) { - return; - } + int end = (start + size > 256) ? 256 : start + size, i; /* userspace palettes are always correct as is */ - for (i = 0; i < 256; i++) { + for (i = start; i < end; i++) { radeon_crtc->lut_r[i] = red[i] >> 6; radeon_crtc->lut_g[i] = green[i] >> 6; radeon_crtc->lut_b[i] = blue[i] >> 6; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c index cfaf690a5b2f..2ff5cf78235f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -79,7 +79,7 @@ static void vmw_ldu_crtc_restore(struct drm_crtc *crtc) static void vmw_ldu_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, - uint32_t size) + uint32_t start, uint32_t size) { } diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 606eb93d7db0..692cc55eeab6 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -310,7 +310,7 @@ struct drm_crtc_funcs { /* Set gamma on the CRTC */ void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, - uint32_t size); + uint32_t start, uint32_t size); /* Object destroy routine */ void (*destroy)(struct drm_crtc *crtc); |