From: Dave Airlie Date: Mon, 23 Nov 2009 02:01:09 +0000 (+1000) Subject: drm/radeon/kms: add HDP flushing for all GPUs. X-Git-Tag: v3.0~6071^2~85^2~28 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=23956dfa82eab95931aab5fa9886c1e96c41e4dc;p=platform%2Fkernel%2Flinux-amlogic.git drm/radeon/kms: add HDP flushing for all GPUs. rendercheck under kms on r600s was failing due to HDP flushing not happening. This adds HDP flushing to the object wait function for r100->r700 families. rendercheck passes basic tests on r600 with this change. Acked-by: Alex Deucher Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 4e0a804..772bcd8 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -1589,6 +1589,14 @@ void r100_gpu_init(struct radeon_device *rdev) r100_hdp_reset(rdev); } +void r100_hdp_flush(struct radeon_device *rdev) +{ + u32 tmp; + tmp = RREG32(RADEON_HOST_PATH_CNTL); + tmp |= RADEON_HDP_READ_BUFFER_INVALIDATE; + WREG32(RADEON_HOST_PATH_CNTL, tmp); +} + void r100_hdp_reset(struct radeon_device *rdev) { uint32_t tmp; diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 278f646..797a36f 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1101,6 +1101,10 @@ void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) (void)RREG32(PCIE_PORT_DATA); } +void r600_hdp_flush(struct radeon_device *rdev) +{ + WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); +} /* * CP & Ring diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index 27ab428..b7f4ce2 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -674,4 +674,5 @@ #define S_000E60_SOFT_RESET_TSC(x) (((x) & 1) << 16) #define S_000E60_SOFT_RESET_VMC(x) (((x) & 1) << 17) +#define R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL 0x5480 #endif diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 9cb81a8..c32fe1ce 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -639,6 +639,7 @@ struct radeon_asic { uint32_t offset, uint32_t obj_size); int (*clear_surface_reg)(struct radeon_device *rdev, int reg); void (*bandwidth_update)(struct radeon_device *rdev); + void (*hdp_flush)(struct radeon_device *rdev); }; /* @@ -971,6 +972,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v) #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->set_surface_reg((rdev), (r), (f), (p), (o), (s))) #define radeon_clear_surface_reg(rdev, r) ((rdev)->asic->clear_surface_reg((rdev), (r))) #define radeon_bandwidth_update(rdev) (rdev)->asic->bandwidth_update((rdev)) +#define radeon_hdp_flush(rdev) (rdev)->asic->hdp_flush((rdev)) /* Common functions */ extern int radeon_gart_table_vram_pin(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index c18fbee..c7a7f84 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -76,6 +76,7 @@ int r100_clear_surface_reg(struct radeon_device *rdev, int reg); void r100_bandwidth_update(struct radeon_device *rdev); void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib); int r100_ring_test(struct radeon_device *rdev); +void r100_hdp_flush(struct radeon_device *rdev); static struct radeon_asic r100_asic = { .init = &r100_init, @@ -107,6 +108,7 @@ static struct radeon_asic r100_asic = { .set_surface_reg = r100_set_surface_reg, .clear_surface_reg = r100_clear_surface_reg, .bandwidth_update = &r100_bandwidth_update, + .hdp_flush = &r100_hdp_flush, }; @@ -162,6 +164,7 @@ static struct radeon_asic r300_asic = { .set_surface_reg = r100_set_surface_reg, .clear_surface_reg = r100_clear_surface_reg, .bandwidth_update = &r100_bandwidth_update, + .hdp_flush = &r100_hdp_flush, }; /* @@ -201,6 +204,7 @@ static struct radeon_asic r420_asic = { .set_surface_reg = r100_set_surface_reg, .clear_surface_reg = r100_clear_surface_reg, .bandwidth_update = &r100_bandwidth_update, + .hdp_flush = &r100_hdp_flush, }; @@ -245,6 +249,7 @@ static struct radeon_asic rs400_asic = { .set_surface_reg = r100_set_surface_reg, .clear_surface_reg = r100_clear_surface_reg, .bandwidth_update = &r100_bandwidth_update, + .hdp_flush = &r100_hdp_flush, }; @@ -291,6 +296,7 @@ static struct radeon_asic rs600_asic = { .set_pcie_lanes = NULL, .set_clock_gating = &radeon_atom_set_clock_gating, .bandwidth_update = &rs600_bandwidth_update, + .hdp_flush = &r100_hdp_flush, }; @@ -334,6 +340,7 @@ static struct radeon_asic rs690_asic = { .set_surface_reg = r100_set_surface_reg, .clear_surface_reg = r100_clear_surface_reg, .bandwidth_update = &rs690_bandwidth_update, + .hdp_flush = &r100_hdp_flush, }; @@ -381,6 +388,7 @@ static struct radeon_asic rv515_asic = { .set_surface_reg = r100_set_surface_reg, .clear_surface_reg = r100_clear_surface_reg, .bandwidth_update = &rv515_bandwidth_update, + .hdp_flush = &r100_hdp_flush, }; @@ -419,6 +427,7 @@ static struct radeon_asic r520_asic = { .set_surface_reg = r100_set_surface_reg, .clear_surface_reg = r100_clear_surface_reg, .bandwidth_update = &rv515_bandwidth_update, + .hdp_flush = &r100_hdp_flush, }; /* @@ -455,6 +464,7 @@ int r600_ring_test(struct radeon_device *rdev); int r600_copy_blit(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, unsigned num_pages, struct radeon_fence *fence); +void r600_hdp_flush(struct radeon_device *rdev); static struct radeon_asic r600_asic = { .init = &r600_init, @@ -484,6 +494,7 @@ static struct radeon_asic r600_asic = { .set_surface_reg = r600_set_surface_reg, .clear_surface_reg = r600_clear_surface_reg, .bandwidth_update = &rv515_bandwidth_update, + .hdp_flush = &r600_hdp_flush, }; /* @@ -523,6 +534,7 @@ static struct radeon_asic rv770_asic = { .set_surface_reg = r600_set_surface_reg, .clear_surface_reg = r600_clear_surface_reg, .bandwidth_update = &rv515_bandwidth_update, + .hdp_flush = &r600_hdp_flush, }; #endif diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 1f056da..98835f5 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -315,6 +315,7 @@ int radeon_object_wait(struct radeon_object *robj) } spin_unlock(&robj->tobj.lock); radeon_object_unreserve(robj); + radeon_hdp_flush(robj->rdev); return r; }