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| author | Patrik Jakobsson | 2013-11-07 00:14:18 +0100 |
|---|---|---|
| committer | Patrik Jakobsson | 2013-11-08 16:22:10 +0100 |
| commit | b97b8287a39d1fe6f8aa1b83405f669634ff8401 (patch) | |
| tree | f1a5b6dbc33661191e7be47021b5353020a3ec5f /drivers/gpu/drm/gma500/psb_drv.h | |
| parent | drm/gma500/mrst: Add SDVO clock calculation (diff) | |
| download | kernel-qcow2-linux-b97b8287a39d1fe6f8aa1b83405f669634ff8401.tar.gz kernel-qcow2-linux-b97b8287a39d1fe6f8aa1b83405f669634ff8401.tar.xz kernel-qcow2-linux-b97b8287a39d1fe6f8aa1b83405f669634ff8401.zip | |
drm/gma500/mrst: Add aux register writes when programming pipe
On SDVO pipes (always Pipe B on mrst) we have to sequentially write the
aux vdc. We might be able to skip programming the primary vdc in
some/most places but we don't care about that now.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/gma500/psb_drv.h')
| -rw-r--r-- | drivers/gpu/drm/gma500/psb_drv.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h index dc7a8dec68e5..b59e6588c343 100644 --- a/drivers/gpu/drm/gma500/psb_drv.h +++ b/drivers/gpu/drm/gma500/psb_drv.h @@ -941,6 +941,22 @@ static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg) #define REG_READ(reg) REGISTER_READ(dev, (reg)) #define REG_READ_AUX(reg) REGISTER_READ_AUX(dev, (reg)) +/* Useful for post reads */ +static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev, + uint32_t reg, int aux) +{ + uint32_t val; + + if (aux) + val = REG_READ_AUX(reg); + else + val = REG_READ(reg); + + return val; +} + +#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux)) + static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg, uint32_t val) { @@ -958,6 +974,17 @@ static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg, #define REG_WRITE(reg, val) REGISTER_WRITE(dev, (reg), (val)) #define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val)) +static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg, + uint32_t val, int aux) +{ + if (aux) + REG_WRITE_AUX(reg, val); + else + REG_WRITE(reg, val); +} + +#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux)) + static inline void REGISTER_WRITE16(struct drm_device *dev, uint32_t reg, uint32_t val) { |