[PATCH] drm/xe/display: Disable aux ccs framebuffers
Jani Nikula
jani.nikula at linux.intel.com
Tue Jan 2 19:44:48 UTC 2024
On Tue, 02 Jan 2024, Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com> 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.
Cc: Rodrigo and xe maintainers
We need to figure out the proper workflow, the mailing lists to use, the
subject prefix to use, the acks to require, etc, for changes touching
both xe and i915.
I'd very much prefer changes to i915 display to be merged via
drm-intel-next as always. For one thing, it'll take a while to sync
stuff back from drm-xe-next to drm-intel-next, and most display
development still happens on drm-intel-next.
But this patch can't be applied to drm-intel-next, because xe doesn't
even exist on drm-intel-next yet...
BR,
Jani.
>
> Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/933
> Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at 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);
> +}
> +
> +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;
> +}
--
Jani Nikula, Intel
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