On Tue, Jan 02, 2024 at 08:24:22PM +0200, Juha-Pekka Heikkila wrote: > Aux ccs framebuffers don't work on Xe driver hence disable them > from plane capabilities until they are fixed. Flat ccs framebuffers > work and they are left enabled. Here is separated plane capabilities > check on i915 so it can behave differencly depending on the driver. > > Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/933 > Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikk...@gmail.com> > --- > drivers/gpu/drm/i915/Makefile | 1 + > .../gpu/drm/i915/display/intel_plane_caps.c | 68 +++++++++++++++++++ > .../gpu/drm/i915/display/intel_plane_caps.h | 14 ++++ > .../drm/i915/display/skl_universal_plane.c | 61 +---------------- > drivers/gpu/drm/xe/display/xe_plane_initial.c | 23 +++++++ > 5 files changed, 107 insertions(+), 60 deletions(-) > create mode 100644 drivers/gpu/drm/i915/display/intel_plane_caps.c > create mode 100644 drivers/gpu/drm/i915/display/intel_plane_caps.h > > diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile > index e777686190ca..c5e3c2dd0a01 100644 > --- a/drivers/gpu/drm/i915/Makefile > +++ b/drivers/gpu/drm/i915/Makefile > @@ -302,6 +302,7 @@ i915-y += \ > display/intel_overlay.o \ > display/intel_pch_display.o \ > display/intel_pch_refclk.o \ > + display/intel_plane_caps.o \ > display/intel_plane_initial.o \ > display/intel_pmdemand.o \ > display/intel_psr.o \ > diff --git a/drivers/gpu/drm/i915/display/intel_plane_caps.c > b/drivers/gpu/drm/i915/display/intel_plane_caps.c > new file mode 100644 > index 000000000000..6206ae11f296 > --- /dev/null > +++ b/drivers/gpu/drm/i915/display/intel_plane_caps.c > @@ -0,0 +1,68 @@ > +// SPDX-License-Identifier: MIT > +/* > + * Copyright © 2024 Intel Corporation > + */ > + > +#include "i915_drv.h" > +#include "intel_fb.h" > +#include "intel_plane_caps.h" > + > +static bool skl_plane_has_rc_ccs(struct drm_i915_private *i915, > + enum pipe pipe, enum plane_id plane_id) > +{ > + /* Wa_22011186057 */ > + if (IS_ALDERLAKE_P(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_B0)) > + return false; > + > + if (DISPLAY_VER(i915) >= 11) > + return true; > + > + if (IS_GEMINILAKE(i915)) > + return pipe != PIPE_C; > + > + return pipe != PIPE_C && > + (plane_id == PLANE_PRIMARY || > + plane_id == PLANE_SPRITE0); > +}
These are about the *hardware* capabilities of the skl+ univeral planes. Thus IMO they belong in skl_universal_plane.c and nowhere else. > + > +static bool gen12_plane_has_mc_ccs(struct drm_i915_private *i915, > + enum plane_id plane_id) > +{ > + if (DISPLAY_VER(i915) < 12) > + return false; > + > + /* Wa_14010477008 */ > + if (IS_DG1(i915) || IS_ROCKETLAKE(i915) || > + (IS_TIGERLAKE(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_D0))) > + return false; > + > + /* Wa_22011186057 */ > + if (IS_ALDERLAKE_P(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_B0)) > + return false; > + > + return plane_id < PLANE_SPRITE4; > +} > + > +u8 skl_get_plane_caps(struct drm_i915_private *i915, > + enum pipe pipe, enum plane_id plane_id) > +{ > + u8 caps = INTEL_PLANE_CAP_TILING_X; > + > + if (DISPLAY_VER(i915) < 13 || IS_ALDERLAKE_P(i915)) > + caps |= INTEL_PLANE_CAP_TILING_Y; > + if (DISPLAY_VER(i915) < 12) > + caps |= INTEL_PLANE_CAP_TILING_Yf; > + if (HAS_4TILE(i915)) > + caps |= INTEL_PLANE_CAP_TILING_4; > + > + if (skl_plane_has_rc_ccs(i915, pipe, plane_id)) { > + caps |= INTEL_PLANE_CAP_CCS_RC; > + if (DISPLAY_VER(i915) >= 12) > + caps |= INTEL_PLANE_CAP_CCS_RC_CC; > + } > + > + if (gen12_plane_has_mc_ccs(i915, plane_id)) > + caps |= INTEL_PLANE_CAP_CCS_MC; > + > + return caps; > +} > diff --git a/drivers/gpu/drm/i915/display/intel_plane_caps.h > b/drivers/gpu/drm/i915/display/intel_plane_caps.h > new file mode 100644 > index 000000000000..60a941c76f23 > --- /dev/null > +++ b/drivers/gpu/drm/i915/display/intel_plane_caps.h > @@ -0,0 +1,14 @@ > +/* SPDX-License-Identifier: MIT */ > +/* > + * Copyright © 2024 Intel Corporation > + */ > + > +#ifndef __INTEL_PLANE_CAPS_H__ > +#define __INTEL_PLANE_CAPS_H__ > + > +#include "intel_display_types.h" > + > +u8 skl_get_plane_caps(struct drm_i915_private *i915, > + enum pipe pipe, enum plane_id plane_id); > + > +#endif /* __INTEL_PLANE_CAPS_H__ */ > diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c > b/drivers/gpu/drm/i915/display/skl_universal_plane.c > index 511dc1544854..f2fd3833c61d 100644 > --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c > +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c > @@ -17,6 +17,7 @@ > #include "intel_fb.h" > #include "intel_fbc.h" > #include "intel_frontbuffer.h" > +#include "intel_plane_caps.h" > #include "intel_psr.h" > #include "intel_psr_regs.h" > #include "skl_scaler.h" > @@ -2242,66 +2243,6 @@ skl_plane_disable_flip_done(struct intel_plane *plane) > spin_unlock_irq(&i915->irq_lock); > } > > -static bool skl_plane_has_rc_ccs(struct drm_i915_private *i915, > - enum pipe pipe, enum plane_id plane_id) > -{ > - /* Wa_22011186057 */ > - if (IS_ALDERLAKE_P(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_B0)) > - return false; > - > - if (DISPLAY_VER(i915) >= 11) > - return true; > - > - if (IS_GEMINILAKE(i915)) > - return pipe != PIPE_C; > - > - return pipe != PIPE_C && > - (plane_id == PLANE_PRIMARY || > - plane_id == PLANE_SPRITE0); > -} > - > -static bool gen12_plane_has_mc_ccs(struct drm_i915_private *i915, > - enum plane_id plane_id) > -{ > - if (DISPLAY_VER(i915) < 12) > - return false; > - > - /* Wa_14010477008 */ > - if (IS_DG1(i915) || IS_ROCKETLAKE(i915) || > - (IS_TIGERLAKE(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_D0))) > - return false; > - > - /* Wa_22011186057 */ > - if (IS_ALDERLAKE_P(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_B0)) > - return false; > - > - return plane_id < PLANE_SPRITE4; > -} > - > -static u8 skl_get_plane_caps(struct drm_i915_private *i915, > - enum pipe pipe, enum plane_id plane_id) > -{ > - u8 caps = INTEL_PLANE_CAP_TILING_X; > - > - if (DISPLAY_VER(i915) < 13 || IS_ALDERLAKE_P(i915)) > - caps |= INTEL_PLANE_CAP_TILING_Y; > - if (DISPLAY_VER(i915) < 12) > - caps |= INTEL_PLANE_CAP_TILING_Yf; > - if (HAS_4TILE(i915)) > - caps |= INTEL_PLANE_CAP_TILING_4; > - > - if (skl_plane_has_rc_ccs(i915, pipe, plane_id)) { > - caps |= INTEL_PLANE_CAP_CCS_RC; > - if (DISPLAY_VER(i915) >= 12) > - caps |= INTEL_PLANE_CAP_CCS_RC_CC; > - } > - > - if (gen12_plane_has_mc_ccs(i915, plane_id)) > - caps |= INTEL_PLANE_CAP_CCS_MC; > - > - return caps; > -} > - > struct intel_plane * > skl_universal_plane_create(struct drm_i915_private *dev_priv, > enum pipe pipe, enum plane_id plane_id) > diff --git a/drivers/gpu/drm/xe/display/xe_plane_initial.c > b/drivers/gpu/drm/xe/display/xe_plane_initial.c > index ccf83c12b545..425c6e6744a6 100644 > --- a/drivers/gpu/drm/xe/display/xe_plane_initial.c > +++ b/drivers/gpu/drm/xe/display/xe_plane_initial.c > @@ -15,6 +15,7 @@ > #include "intel_fb.h" > #include "intel_fb_pin.h" > #include "intel_frontbuffer.h" > +#include "intel_plane_caps.h" > #include "intel_plane_initial.h" > > static bool > @@ -289,3 +290,25 @@ void intel_crtc_initial_plane_config(struct intel_crtc > *crtc) > > plane_config_fini(&plane_config); > } > + > +u8 skl_get_plane_caps(struct drm_i915_private *i915, > + enum pipe pipe, enum plane_id plane_id) > +{ > + u8 caps = INTEL_PLANE_CAP_TILING_X; > + > + if (DISPLAY_VER(i915) < 13 || IS_ALDERLAKE_P(i915)) > + caps |= INTEL_PLANE_CAP_TILING_Y; > + if (DISPLAY_VER(i915) < 12) > + caps |= INTEL_PLANE_CAP_TILING_Yf; > + if (HAS_4TILE(i915)) > + caps |= INTEL_PLANE_CAP_TILING_4; > + > + if (HAS_FLAT_CCS(i915)) { > + caps |= INTEL_PLANE_CAP_CCS_RC | INTEL_PLANE_CAP_CCS_RC_CC; > + > + if (plane_id < PLANE_SPRITE4) > + caps |= INTEL_PLANE_CAP_CCS_MC; > + } > + > + return caps; > +} > -- > 2.25.1 -- Ville Syrjälä Intel