From: Dave Airlie airlied@redhat.com
This looks to have never gotten filled in, and it seems to trigger a bug in mesa.
Reported-by: Roland Scheidegger sroland@vmware.com Signed-off-by: Dave Airlie airlied@redhat.com --- drivers/gpu/drm/radeon/evergreen.c | 1 + drivers/gpu/drm/radeon/ni.c | 1 + 2 files changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 24fe66c..5712d63 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3513,6 +3513,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev) tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends, EVERGREEN_MAX_BACKENDS, disabled_rb_mask); } + rdev->config.evergreen.backend_map = tmp; WREG32(GB_BACKEND_MAP, tmp);
WREG32(CGTS_SYS_TCC_DISABLE, 0); diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 9eccd0c..381b0255 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1148,6 +1148,7 @@ static void cayman_gpu_init(struct radeon_device *rdev) rdev->config.cayman.max_shader_engines, CAYMAN_MAX_BACKENDS, disabled_rb_mask); } + rdev->config.cayman.backend_map = tmp; WREG32(GB_BACKEND_MAP, tmp);
cgts_tcc_disable = 0xffff0000;
FWIW I was wrong that it was never filled in - when the backend map query was introduced, the data indeed got filled in. However that got lost very soon afterwards (over 6 years ago) by some fixes for backend map calculation. In any case, Reviewed-by: Roland Scheidegger sroland@vmware.com
Am 09.01.2018 um 04:43 schrieb Dave Airlie:
From: Dave Airlie airlied@redhat.com
This looks to have never gotten filled in, and it seems to trigger a bug in mesa.
Reported-by: Roland Scheidegger sroland@vmware.com Signed-off-by: Dave Airlie airlied@redhat.com
drivers/gpu/drm/radeon/evergreen.c | 1 + drivers/gpu/drm/radeon/ni.c | 1 + 2 files changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 24fe66c..5712d63 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3513,6 +3513,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev) tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends, EVERGREEN_MAX_BACKENDS, disabled_rb_mask); }
rdev->config.evergreen.backend_map = tmp; WREG32(GB_BACKEND_MAP, tmp);
WREG32(CGTS_SYS_TCC_DISABLE, 0);
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 9eccd0c..381b0255 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1148,6 +1148,7 @@ static void cayman_gpu_init(struct radeon_device *rdev) rdev->config.cayman.max_shader_engines, CAYMAN_MAX_BACKENDS, disabled_rb_mask); }
rdev->config.cayman.backend_map = tmp; WREG32(GB_BACKEND_MAP, tmp);
cgts_tcc_disable = 0xffff0000;
Applied. thanks!
Alex
On Tue, Jan 9, 2018 at 6:17 PM, Roland Scheidegger rscheidegger_lists@hispeed.ch wrote:
FWIW I was wrong that it was never filled in - when the backend map query was introduced, the data indeed got filled in. However that got lost very soon afterwards (over 6 years ago) by some fixes for backend map calculation. In any case, Reviewed-by: Roland Scheidegger sroland@vmware.com
Am 09.01.2018 um 04:43 schrieb Dave Airlie:
From: Dave Airlie airlied@redhat.com
This looks to have never gotten filled in, and it seems to trigger a bug in mesa.
Reported-by: Roland Scheidegger sroland@vmware.com Signed-off-by: Dave Airlie airlied@redhat.com
drivers/gpu/drm/radeon/evergreen.c | 1 + drivers/gpu/drm/radeon/ni.c | 1 + 2 files changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 24fe66c..5712d63 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3513,6 +3513,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev) tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends, EVERGREEN_MAX_BACKENDS, disabled_rb_mask); }
rdev->config.evergreen.backend_map = tmp; WREG32(GB_BACKEND_MAP, tmp); WREG32(CGTS_SYS_TCC_DISABLE, 0);diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 9eccd0c..381b0255 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1148,6 +1148,7 @@ static void cayman_gpu_init(struct radeon_device *rdev) rdev->config.cayman.max_shader_engines, CAYMAN_MAX_BACKENDS, disabled_rb_mask); }
rdev->config.cayman.backend_map = tmp; WREG32(GB_BACKEND_MAP, tmp); cgts_tcc_disable = 0xffff0000;
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