[Intel-gfx] [PATCH] drm/i915/dg2: Tile 4 plane format support
Imre Deak
imre.deak at intel.com
Thu Oct 28 07:39:42 UTC 2021
On Thu, Oct 28, 2021 at 09:58:52AM +0300, Lisovskiy, Stanislav wrote:
> On Wed, Oct 27, 2021 at 07:56:25PM +0300, Imre Deak wrote:
> > On Wed, Oct 27, 2021 at 06:46:53PM +0300, Stanislav Lisovskiy wrote:
> > > TileF(Tile4 in bspec) format is 4K tile organized into
> > > 64B subtiles with same basic shape as for legacy TileY
> > > which will be supported by Display13.
> >
> > Is it supported on all D13 or only on DG2? Could you point to the bspec
> > page describing this?
>
> Yes, it is supported on all D13 to my undertanding.
> Check with BSpec 44917
Thanks.
Based on that page it's only supported on DG2 (and that's how the driver
worked so far in the internal tree).
> Stan
>
> >
> > >
> > > v2: - Fixed wrong case condition(Jani Nikula)
> > > - Increased I915_FORMAT_MOD_F_TILED up to 12(Imre Deak)
> > >
> > > v3: - s/I915_TILING_F/TILING_4/g
> > > - s/I915_FORMAT_MOD_F_TILED/I915_FORMAT_MOD_4_TILED/g
> > > - Removed unneeded fencing code
> > >
> > > v4: - Rebased, fixed merge conflict with new table-oriented
> > > format modifier checking(Stan)
> > > - Replaced the rest of "Tile F" mentions to "Tile 4"(Stan)
> > >
> > > Cc: Imre Deak <imre.deak at intel.com>
> > > Cc: Matt Roper <matthew.d.roper at intel.com>
> > > Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> > > Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
> > > Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
> > > Signed-off-by: Juha-Pekka Heikkilä <juha-pekka.heikkila at intel.com>
> > > ---
> > > drivers/gpu/drm/i915/display/intel_display.c | 1 +
> > > drivers/gpu/drm/i915/display/intel_fb.c | 11 ++++++++++
> > > drivers/gpu/drm/i915/display/intel_fbc.c | 1 +
> > > .../drm/i915/display/intel_plane_initial.c | 1 +
> > > .../drm/i915/display/skl_universal_plane.c | 20 +++++++++++--------
> > > drivers/gpu/drm/i915/i915_drv.h | 1 +
> > > drivers/gpu/drm/i915/i915_pci.c | 1 +
> > > drivers/gpu/drm/i915/i915_reg.h | 1 +
> > > drivers/gpu/drm/i915/intel_device_info.h | 1 +
> > > drivers/gpu/drm/i915/intel_pm.c | 1 +
> > > include/uapi/drm/drm_fourcc.h | 8 ++++++++
> > > 11 files changed, 39 insertions(+), 8 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> > > index 79cd158503b3..9b3913d73213 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > > @@ -7755,6 +7755,7 @@ static int intel_atomic_check_async(struct intel_atomic_state *state)
> > > case I915_FORMAT_MOD_X_TILED:
> > > case I915_FORMAT_MOD_Y_TILED:
> > > case I915_FORMAT_MOD_Yf_TILED:
> > > + case I915_FORMAT_MOD_4_TILED:
> > > break;
> > > default:
> > > drm_dbg_kms(&i915->drm,
> > > diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c
> > > index 9ce1d273dc7e..d3dec51285f7 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_fb.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_fb.c
> > > @@ -188,6 +188,10 @@ static const struct intel_modifier_desc intel_modifiers[] = {
> > > .modifier = I915_FORMAT_MOD_Yf_TILED,
> > > .display_ver = { 9, 11 },
> > > .tiling = I915_TILING_NONE,
> > > + }, {
> > > + .modifier = I915_FORMAT_MOD_4_TILED,
> > > + .display_ver = { 12, 13 },
> >
> > From display_ver 13.
> >
> > > + .tiling = I915_TILING_NONE,
> > > }, {
> > > .modifier = I915_FORMAT_MOD_Y_TILED,
> > > .display_ver = { 9, 13 },
> > > @@ -575,6 +579,12 @@ intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane)
> > > return 128;
> > > else
> > > return 512;
> > > + case I915_FORMAT_MOD_4_TILED:
> > > + /*
> > > + * Each 4K tile consists of 64B(8*8) subtiles, with
> > > + * same shape as Y Tile(i.e 4*16B OWords)
> > > + */
> > > + return 128;
> > > case I915_FORMAT_MOD_Y_TILED_CCS:
> > > if (intel_fb_is_ccs_aux_plane(fb, color_plane))
> > > return 128;
> > > @@ -743,6 +753,7 @@ unsigned int intel_surf_alignment(const struct drm_framebuffer *fb,
> > > case I915_FORMAT_MOD_Y_TILED_CCS:
> > > case I915_FORMAT_MOD_Yf_TILED_CCS:
> > > case I915_FORMAT_MOD_Y_TILED:
> > > + case I915_FORMAT_MOD_4_TILED:
> > > case I915_FORMAT_MOD_Yf_TILED:
> > > return 1 * 1024 * 1024;
> > > default:
> > > diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
> > > index 1f66de77a6b1..f079a771f802 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_fbc.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_fbc.c
> > > @@ -747,6 +747,7 @@ static bool tiling_is_valid(struct drm_i915_private *dev_priv,
> > > case DRM_FORMAT_MOD_LINEAR:
> > > case I915_FORMAT_MOD_Y_TILED:
> > > case I915_FORMAT_MOD_Yf_TILED:
> > > + case I915_FORMAT_MOD_4_TILED:
> > > return DISPLAY_VER(dev_priv) >= 9;
> > > case I915_FORMAT_MOD_X_TILED:
> > > return true;
> > > diff --git a/drivers/gpu/drm/i915/display/intel_plane_initial.c b/drivers/gpu/drm/i915/display/intel_plane_initial.c
> > > index dcd698a02da2..d80855ee9b96 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_plane_initial.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_plane_initial.c
> > > @@ -125,6 +125,7 @@ intel_alloc_initial_plane_obj(struct intel_crtc *crtc,
> > > case DRM_FORMAT_MOD_LINEAR:
> > > case I915_FORMAT_MOD_X_TILED:
> > > case I915_FORMAT_MOD_Y_TILED:
> > > + case I915_FORMAT_MOD_4_TILED:
> > > break;
> > > default:
> > > drm_dbg(&dev_priv->drm,
> > > diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
> > > index 69fd56de83a7..aeca96925feb 100644
> > > --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
> > > +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
> > > @@ -751,6 +751,8 @@ static u32 skl_plane_ctl_tiling(u64 fb_modifier)
> > > return PLANE_CTL_TILED_X;
> > > case I915_FORMAT_MOD_Y_TILED:
> > > return PLANE_CTL_TILED_Y;
> > > + case I915_FORMAT_MOD_4_TILED:
> > > + return PLANE_CTL_TILED_4;
> > > case I915_FORMAT_MOD_Y_TILED_CCS:
> > > case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC:
> > > return PLANE_CTL_TILED_Y | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
> > > @@ -1930,9 +1932,7 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
> > > case DRM_FORMAT_Y216:
> > > case DRM_FORMAT_XVYU12_16161616:
> > > case DRM_FORMAT_XVYU16161616:
> > > - if (modifier == DRM_FORMAT_MOD_LINEAR ||
> > > - modifier == I915_FORMAT_MOD_X_TILED ||
> > > - modifier == I915_FORMAT_MOD_Y_TILED)
> > > + if (!intel_fb_is_ccs_modifier(modifier))
> > > return true;
> > > fallthrough;
> > > default:
> > > @@ -2241,11 +2241,15 @@ skl_get_initial_plane_config(struct intel_crtc *crtc,
> > > else
> > > fb->modifier = I915_FORMAT_MOD_Y_TILED;
> > > break;
> > > - case PLANE_CTL_TILED_YF:
> > > - if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
> > > - fb->modifier = I915_FORMAT_MOD_Yf_TILED_CCS;
> > > - else
> > > - fb->modifier = I915_FORMAT_MOD_Yf_TILED;
> > > + case PLANE_CTL_TILED_YF: /* aka PLANE_CTL_TILED_4 on XE_LPD+ */
> > > + if (DISPLAY_VER(dev_priv) >= 13) {
> > > + fb->modifier = I915_FORMAT_MOD_4_TILED;
> > > + } else {
> > > + if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
> > > + fb->modifier = I915_FORMAT_MOD_Yf_TILED_CCS;
> > > + else
> > > + fb->modifier = I915_FORMAT_MOD_Yf_TILED;
> > > + }
> > > break;
> > > default:
> > > MISSING_CASE(tiling);
> > > diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> > > index 19e6700a4315..0a32ce800677 100644
> > > --- a/drivers/gpu/drm/i915/i915_drv.h
> > > +++ b/drivers/gpu/drm/i915/i915_drv.h
> > > @@ -1627,6 +1627,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
> > > #define CMDPARSER_USES_GGTT(dev_priv) (GRAPHICS_VER(dev_priv) == 7)
> > >
> > > #define HAS_LLC(dev_priv) (INTEL_INFO(dev_priv)->has_llc)
> > > +#define HAS_FTILE(dev_priv) (INTEL_INFO(dev_priv)->has_4tile)
> > > #define HAS_SNOOP(dev_priv) (INTEL_INFO(dev_priv)->has_snoop)
> > > #define HAS_EDRAM(dev_priv) ((dev_priv)->edram_size_mb)
> > > #define HAS_SECURE_BATCHES(dev_priv) (GRAPHICS_VER(dev_priv) < 6)
> > > diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> > > index 169837de395d..8831b1885934 100644
> > > --- a/drivers/gpu/drm/i915/i915_pci.c
> > > +++ b/drivers/gpu/drm/i915/i915_pci.c
> > > @@ -972,6 +972,7 @@ static const struct intel_device_info adl_p_info = {
> > > .display.has_cdclk_crawl = 1,
> > > .display.has_modular_fia = 1,
> > > .display.has_psr_hw_tracking = 0,
> > > + .has_4tile = 1, \
> >
> > If it's only on DG2 then it should be added there.
> >
> > > .platform_engine_mask =
> > > BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
> > > .ppgtt_size = 48,
> > > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> > > index 7c97bc352497..b70b72b032ef 100644
> > > --- a/drivers/gpu/drm/i915/i915_reg.h
> > > +++ b/drivers/gpu/drm/i915/i915_reg.h
> > > @@ -7195,6 +7195,7 @@ enum {
> > > #define PLANE_CTL_TILED_X (1 << 10)
> > > #define PLANE_CTL_TILED_Y (4 << 10)
> > > #define PLANE_CTL_TILED_YF (5 << 10)
> > > +#define PLANE_CTL_TILED_4 (5 << 10)
> > > #define PLANE_CTL_ASYNC_FLIP (1 << 9)
> > > #define PLANE_CTL_FLIP_HORIZONTAL (1 << 8)
> > > #define PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE (1 << 4) /* TGL+ */
> > > diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
> > > index 8e6f48d1eb7b..6c543a152250 100644
> > > --- a/drivers/gpu/drm/i915/intel_device_info.h
> > > +++ b/drivers/gpu/drm/i915/intel_device_info.h
> > > @@ -125,6 +125,7 @@ enum intel_ppgtt_type {
> > > func(has_64bit_reloc); \
> > > func(gpu_reset_clobbers_display); \
> > > func(has_reset_engine); \
> > > + func(has_4tile); \
> > > func(has_global_mocs); \
> > > func(has_gt_uc); \
> > > func(has_l3_dpf); \
> > > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> > > index cffb3df35a63..1ac1af0a7f2d 100644
> > > --- a/drivers/gpu/drm/i915/intel_pm.c
> > > +++ b/drivers/gpu/drm/i915/intel_pm.c
> > > @@ -5378,6 +5378,7 @@ skl_compute_wm_params(const struct intel_crtc_state *crtc_state,
> > > }
> > >
> > > wp->y_tiled = modifier == I915_FORMAT_MOD_Y_TILED ||
> > > + modifier == I915_FORMAT_MOD_4_TILED ||
> > > modifier == I915_FORMAT_MOD_Yf_TILED ||
> > > modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
> > > modifier == I915_FORMAT_MOD_Yf_TILED_CCS;
> > > diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> > > index 45a914850be0..982b0a9fa78b 100644
> > > --- a/include/uapi/drm/drm_fourcc.h
> > > +++ b/include/uapi/drm/drm_fourcc.h
> > > @@ -558,6 +558,14 @@ extern "C" {
> > > * pitch is required to be a multiple of 4 tile widths.
> > > */
> > > #define I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC fourcc_mod_code(INTEL, 8)
> > > +/*
> > > + * Intel F-tiling(aka Tile4) layout
> > > + *
> > > + * This is a tiled layout using 4Kb tiles in row-major layout.
> > > + * Within the tile pixels are laid out in 64 byte units / sub-tiles in OWORD
> > > + * (16 bytes) chunks column-major..
> > > + */
> > > +#define I915_FORMAT_MOD_4_TILED fourcc_mod_code(INTEL, 12)
> > >
> > > /*
> > > * Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks
> > > --
> > > 2.24.1.485.gad05a3d8e5
> > >
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