Message ID | 20230914113854.10008-3-ville.syrjala@linux.intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [1/5] drm/i915/fbc: Remove ancient 16k plane stride limit | expand |
Hi Ville, On Thu, 2023-09-14 at 14:38 +0300, Ville Syrjala wrote: > From: Ville Syrjälä <ville.syrjala@linux.intel.com> > > Carve up tiling_is_valid() into per-platform variants to > make it easier to see what limits are actually being imposed. > > TODO: maybe go for vfuncs later > > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> > --- > drivers/gpu/drm/i915/display/intel_fbc.c | 21 ++++++++++++++++++--- > 1 file changed, 18 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c > index 4c4626c84666..052f9d8b53d4 100644 > --- a/drivers/gpu/drm/i915/display/intel_fbc.c > +++ b/drivers/gpu/drm/i915/display/intel_fbc.c > @@ -984,16 +984,21 @@ static bool intel_fbc_hw_tracking_covers_screen(const struct > intel_plane_state * > return effective_w <= max_w && effective_h <= max_h; > } > > -static bool tiling_is_valid(const struct intel_plane_state *plane_state) > +static bool i8xx_fbc_tiling_valid(const struct intel_plane_state *plane_state) > +{ > + const struct drm_framebuffer *fb = plane_state->hw.fb; > + > + return fb->modifier == I915_FORMAT_MOD_X_TILED; > +} > + > +static bool skl_fbc_tiling_valid(const struct intel_plane_state *plane_state) > { > - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); > const struct drm_framebuffer *fb = plane_state->hw.fb; > > switch (fb->modifier) { > case DRM_FORMAT_MOD_LINEAR: > case I915_FORMAT_MOD_Y_TILED: > case I915_FORMAT_MOD_Yf_TILED: > - return DISPLAY_VER(i915) >= 9; > case I915_FORMAT_MOD_4_TILED: > case I915_FORMAT_MOD_X_TILED: > return true; > @@ -1002,6 +1007,16 @@ static bool tiling_is_valid(const struct intel_plane_state *plane_state) > } > } > > +static bool tiling_is_valid(const struct intel_plane_state *plane_state) > +{ > + struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); > + > + if (DISPLAY_VER(i915) >= 9) > + return skl_fbc_tiling_valid(plane_state); > + else > + return i8xx_fbc_tiling_valid(plane_state); I915_FORMAT_MOD_4_TILED is not checked for i8xx_fbc_tiling_valid() comparing to the original code. Is that intentional? With that checked, Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com> > +} > + > static void intel_fbc_update_state(struct intel_atomic_state *state, > struct intel_crtc *crtc, > struct intel_plane *plane)
On Sun, Oct 01, 2023 at 11:00:44AM +0000, Govindapillai, Vinod wrote: > Hi Ville, > > On Thu, 2023-09-14 at 14:38 +0300, Ville Syrjala wrote: > > From: Ville Syrjälä <ville.syrjala@linux.intel.com> > > > > Carve up tiling_is_valid() into per-platform variants to > > make it easier to see what limits are actually being imposed. > > > > TODO: maybe go for vfuncs later > > > > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> > > --- > > drivers/gpu/drm/i915/display/intel_fbc.c | 21 ++++++++++++++++++--- > > 1 file changed, 18 insertions(+), 3 deletions(-) > > > > > > diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c > > index 4c4626c84666..052f9d8b53d4 100644 > > --- a/drivers/gpu/drm/i915/display/intel_fbc.c > > +++ b/drivers/gpu/drm/i915/display/intel_fbc.c > > @@ -984,16 +984,21 @@ static bool intel_fbc_hw_tracking_covers_screen(const struct > > intel_plane_state * > > return effective_w <= max_w && effective_h <= max_h; > > } > > > > -static bool tiling_is_valid(const struct intel_plane_state *plane_state) > > +static bool i8xx_fbc_tiling_valid(const struct intel_plane_state *plane_state) > > +{ > > + const struct drm_framebuffer *fb = plane_state->hw.fb; > > + > > + return fb->modifier == I915_FORMAT_MOD_X_TILED; > > +} > > + > > +static bool skl_fbc_tiling_valid(const struct intel_plane_state *plane_state) > > { > > - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); > > const struct drm_framebuffer *fb = plane_state->hw.fb; > > > > switch (fb->modifier) { > > case DRM_FORMAT_MOD_LINEAR: > > case I915_FORMAT_MOD_Y_TILED: > > case I915_FORMAT_MOD_Yf_TILED: > > - return DISPLAY_VER(i915) >= 9; > > case I915_FORMAT_MOD_4_TILED: > > case I915_FORMAT_MOD_X_TILED: > > return true; > > @@ -1002,6 +1007,16 @@ static bool tiling_is_valid(const struct intel_plane_state *plane_state) > > } > > } > > > > +static bool tiling_is_valid(const struct intel_plane_state *plane_state) > > +{ > > + struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); > > + > > + if (DISPLAY_VER(i915) >= 9) > > + return skl_fbc_tiling_valid(plane_state); > > + else > > + return i8xx_fbc_tiling_valid(plane_state); > I915_FORMAT_MOD_4_TILED is not checked for i8xx_fbc_tiling_valid() comparing to the original code. > Is that intentional? Tile4 was introduced in dg2/mtl > > With that checked, > > Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com> > > > > +} > > + > > static void intel_fbc_update_state(struct intel_atomic_state *state, > > struct intel_crtc *crtc, > > struct intel_plane *plane) >
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index 4c4626c84666..052f9d8b53d4 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -984,16 +984,21 @@ static bool intel_fbc_hw_tracking_covers_screen(const struct intel_plane_state * return effective_w <= max_w && effective_h <= max_h; } -static bool tiling_is_valid(const struct intel_plane_state *plane_state) +static bool i8xx_fbc_tiling_valid(const struct intel_plane_state *plane_state) +{ + const struct drm_framebuffer *fb = plane_state->hw.fb; + + return fb->modifier == I915_FORMAT_MOD_X_TILED; +} + +static bool skl_fbc_tiling_valid(const struct intel_plane_state *plane_state) { - struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); const struct drm_framebuffer *fb = plane_state->hw.fb; switch (fb->modifier) { case DRM_FORMAT_MOD_LINEAR: case I915_FORMAT_MOD_Y_TILED: case I915_FORMAT_MOD_Yf_TILED: - return DISPLAY_VER(i915) >= 9; case I915_FORMAT_MOD_4_TILED: case I915_FORMAT_MOD_X_TILED: return true; @@ -1002,6 +1007,16 @@ static bool tiling_is_valid(const struct intel_plane_state *plane_state) } } +static bool tiling_is_valid(const struct intel_plane_state *plane_state) +{ + struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + + if (DISPLAY_VER(i915) >= 9) + return skl_fbc_tiling_valid(plane_state); + else + return i8xx_fbc_tiling_valid(plane_state); +} + static void intel_fbc_update_state(struct intel_atomic_state *state, struct intel_crtc *crtc, struct intel_plane *plane)