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radeon: disable HDP read cache for now

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Dave Airlie 2008-11-10 15:25:12 +10:00
parent 08ef5b5e67
commit 758376e6eb
2 changed files with 6 additions and 1 deletions
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3
shared-core/radeon_cp.c
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@ -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);

4
shared-core/radeon_drv.h
View File

@ -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