diff options
| -rw-r--r-- | shared-core/radeon_cp.c | 3 | ||||
| -rw-r--r-- | shared-core/radeon_drv.h | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c index 73192d03..a087829e 100644 --- a/shared-core/radeon_cp.c +++ b/shared-core/radeon_cp.c @@ -2519,6 +2519,9 @@ int radeon_modeset_cp_init(struct drm_device *dev) r300_init_reg_flags(dev); + /* turn off HDP read cache for now */ + RADEON_WRITE(RADEON_HOST_PATH_CNTL, RADEON_READ(RADEON_HOST_PATH_CNTL) | RADEON_HP_LIN_RD_CACHE_DIS); + #if __OS_HAS_AGP if (dev_priv->flags & RADEON_IS_AGP) radeon_modeset_agp_init(dev); diff --git a/shared-core/radeon_drv.h b/shared-core/radeon_drv.h index 828ad3f9..cd683795 100644 --- a/shared-core/radeon_drv.h +++ b/shared-core/radeon_drv.h @@ -791,8 +791,10 @@ int radeon_resume(struct drm_device *dev); # define R500_DISPLAY_INT_STATUS (1 << 0) #define RADEON_HOST_PATH_CNTL 0x0130 -# define RADEON_HDP_SOFT_RESET (1 << 26) # define RADEON_HDP_APER_CNTL (1 << 23) +# define RADEON_HP_LIN_RD_CACHE_DIS (1 << 24) +# define RADEON_HDP_SOFT_RESET (1 << 26) +# define RADEON_HDP_READ_BUFFER_INVALIDATED (1 << 27) #define RADEON_NB_TOM 0x15c |