diff options
| author | Oscar Mateo <oscar.mateo@intel.com> | 2018-12-13 09:15:21 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-12-13 10:07:55 +0000 |
| commit | 57b19d55189bacc9408519cd7ab5ade6ca2d4ac5 (patch) | |
| tree | 0609aaf1f78760a82ea97537ce364188972e2281 /drivers/gpu/drm/i915/intel_device_info.c | |
| parent | 921f3a60e54e751ce1393deef6218c5900558b3d (diff) | |
| download | linux-57b19d55189bacc9408519cd7ab5ade6ca2d4ac5.tar.gz linux-57b19d55189bacc9408519cd7ab5ade6ca2d4ac5.tar.bz2 linux-57b19d55189bacc9408519cd7ab5ade6ca2d4ac5.zip | |
drm/i915/icl: Record the valid VDBoxes with SFC capability
In Gen11, only even numbered "logical" VDBoxes are hooked up to an SFC
(Scaler & Format Converter) unit. We will use this information to decide
when the SFC units need to be reset.
BSpec: 20189
Signed-off-by: Tomasz Lis <tomasz.lis@intel.com>
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181213091522.2926-3-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_device_info.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_device_info.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index eccb30a68b10..a1dfb00aa16d 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -884,8 +884,9 @@ void intel_driver_caps_print(const struct intel_driver_caps *caps, void intel_device_info_init_mmio(struct drm_i915_private *dev_priv) { struct intel_device_info *info = mkwrite_device_info(dev_priv); - u32 media_fuse; + unsigned int logical_vdbox = 0; unsigned int i; + u32 media_fuse; if (INTEL_GEN(dev_priv) < 11) return; @@ -904,7 +905,15 @@ void intel_device_info_init_mmio(struct drm_i915_private *dev_priv) if (!(BIT(i) & info->vdbox_enable)) { info->ring_mask &= ~ENGINE_MASK(_VCS(i)); DRM_DEBUG_DRIVER("vcs%u fused off\n", i); + continue; } + + /* + * In Gen11, only even numbered logical VDBOXes are + * hooked up to an SFC (Scaler & Format Converter) unit. + */ + if (logical_vdbox++ % 2 == 0) + info->vdbox_sfc_access |= BIT(i); } DRM_DEBUG_DRIVER("vebox enable: %04x\n", info->vebox_enable); |