[Mesa-dev] [PATCH v3 12/17] drm/i915/dg2: Tile 4 plane format support
Lisovskiy, Stanislav
stanislav.lisovskiy at intel.com
Thu Oct 28 07:04:49 UTC 2021
On Thu, Oct 28, 2021 at 02:53:34AM +0530, Ramalingam C wrote:
> From: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
>
> 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.
>
> 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)
>
> v5: - Fixed the has_4tile addition (Ram)
>
> 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>
> cc: Simon Ser <contact at emersion.fr>
> cc: Pekka Paalanen <ppaalanen at gmail.com>
> Cc: Jordan Justen <jordan.l.justen at intel.com>
> Cc: Kenneth Graunke <kenneth at whitecape.org>
> Cc: mesa-dev at lists.freedesktop.org
> Cc: Tony Ye <tony.ye at intel.com>
> Cc: Slawomir Milczarek <slawomir.milczarek at 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>
> Signed-off-by: Ramalingam C <ramalingam.c 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 | 3 +++
> 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, 41 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 9ff52dde1683..562d5244688d 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 },
> + .tiling = I915_TILING_NONE,
> }, {
> .modifier = I915_FORMAT_MOD_Y_TILED,
> .display_ver = { 9, 13 },
> @@ -578,6 +582,12 @@ 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;
> @@ -746,6 +756,7 @@ 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 d554236e3acd..efbf187f3322 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)
> @@ -1722,6 +1723,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
>
> #define HAS_FLAT_CCS(dev_priv) (INTEL_INFO(dev_priv)->has_flat_ccs)
>
> +#define HAS_4TILE(dev_priv) (INTEL_INFO(dev_priv)->has_4tile)
There is also HAS_FTILE definition above which is still left.
I guess you need to remove it.
Stan
> +
> #define HAS_GT_UC(dev_priv) (INTEL_INFO(dev_priv)->has_gt_uc)
>
> #define HAS_POOLED_EU(dev_priv) (INTEL_INFO(dev_priv)->has_pooled_eu)
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index 68367b505dc4..d2ac3b1f9615 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -992,6 +992,7 @@ static const struct intel_device_info adl_p_info = {
> .dma_mask_size = 46, \
> .has_64bit_reloc = 1, \
> .has_flat_ccs = 1, \
> + .has_4tile = 1, \
> .has_global_mocs = 1, \
> .has_gt_uc = 1, \
> .has_llc = 1, \
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 5a415345b8e5..51ef505eb4f5 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 87ee1d86d2ac..8dc2b208457b 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.h
> +++ b/drivers/gpu/drm/i915/intel_device_info.h
> @@ -127,6 +127,7 @@ enum intel_ppgtt_type {
> func(gpu_reset_clobbers_display); \
> func(has_reset_engine); \
> func(has_flat_ccs); \
> + 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
> --
> 2.20.1
>
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