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- fix lut loading for cirrus 

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Merge tag 'drm-misc-fixes-2018-01-31' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

- fix lut loading for cirrus

* tag 'drm-misc-fixes-2018-01-31' of git://anongit.freedesktop.org/drm/drm-misc:
  drm/cirrus: Load lut in crtc_commit
This commit is contained in:
Dave Airlie 2018-02-21 07:09:15 +10:00
parent d73e0111ac 745fd50f3b
commit a6493417f8
1 changed files with 23 additions and 17 deletions
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40
drivers/gpu/drm/cirrus/cirrus_mode.c
View File

@ -294,22 +294,7 @@ static void cirrus_crtc_prepare(struct drm_crtc *crtc)
{
}
/*
* This is called after a mode is programmed. It should reverse anything done
* by the prepare function
*/
static void cirrus_crtc_commit(struct drm_crtc *crtc)
{
}
/*
* The core can pass us a set of gamma values to program. We actually only
* use this for 8-bit mode so can't perform smooth fades on deeper modes,
* but it's a requirement that we provide the function
*/
static int cirrus_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, uint32_t size,
struct drm_modeset_acquire_ctx *ctx)
static void cirrus_crtc_load_lut(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct cirrus_device *cdev = dev->dev_private;
@ -317,7 +302,7 @@ static int cirrus_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
int i;
if (!crtc->enabled)
return 0;
return;
r = crtc->gamma_store;
g = r + crtc->gamma_size;
@ -330,6 +315,27 @@ static int cirrus_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
WREG8(PALETTE_DATA, *g++ >> 8);
WREG8(PALETTE_DATA, *b++ >> 8);
}
}
/*
* This is called after a mode is programmed. It should reverse anything done
* by the prepare function
*/
static void cirrus_crtc_commit(struct drm_crtc *crtc)
{
cirrus_crtc_load_lut(crtc);
}
/*
* The core can pass us a set of gamma values to program. We actually only
* use this for 8-bit mode so can't perform smooth fades on deeper modes,
* but it's a requirement that we provide the function
*/
static int cirrus_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, uint32_t size,
struct drm_modeset_acquire_ctx *ctx)
{
cirrus_crtc_load_lut(crtc);
return 0;
}