On Wed, Nov 16, 2016 at 01:33:16PM +0200, ville.syrjala@xxxxxxxxxxxxxxx wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> It has been suggested that having per-plane modifiers is making life
> more difficult for userspace, so let's just retire modifier[1-3] and
> use modifier[0] to apply to the entire framebuffer.
>
> Obviosuly this means that if individual planes need different tiling
> layouts and whatnot we will need a new modifier for each combination
> of planes with different tiling layouts.
>
> For a bit of extra backwards compatilbilty the kernel will allow
> non-zero modifier[1+] but it require that they will match modifier[0].
> This in case there's existing userspace out there that sets
> modifier[1+] to something non-zero with planar formats.
>
> Mostly a cocci job, with a bit of manual stuff mixed in.
>
> @@
> struct drm_framebuffer *fb;
> expression E;
> @@
> - fb->modifier[E]
> + fb->modifier
>
> @@
> struct drm_framebuffer fb;
> expression E;
> @@
> - fb.modifier[E]
> + fb.modifier
>
> Cc: Kristian Høgsberg <hoegsberg@xxxxxxxxx>
> Cc: Ben Widawsky <benjamin.widawsky@xxxxxxxxx>
> Cc: Rob Clark <robdclark@xxxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: Tomeu Vizoso <tomeu@xxxxxxxxxxxxxxx>
> Cc: dczaplejewicz@xxxxxxxxxxxxxxx
> Suggested-by: Kristian Høgsberg <hoegsberg@xxxxxxxxx>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Applied to drm-misc, thx.
-Daniel
> ---
> drivers/gpu/drm/drm_atomic.c | 2 +-
> drivers/gpu/drm/drm_framebuffer.c | 7 +++
> drivers/gpu/drm/drm_modeset_helper.c | 2 +-
> drivers/gpu/drm/i915/i915_debugfs.c | 4 +-
> drivers/gpu/drm/i915/intel_atomic_plane.c | 4 +-
> drivers/gpu/drm/i915/intel_display.c | 72 +++++++++++++++----------------
> drivers/gpu/drm/i915/intel_fbdev.c | 2 +-
> drivers/gpu/drm/i915/intel_pm.c | 22 +++++-----
> drivers/gpu/drm/i915/intel_sprite.c | 14 +++---
> drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c | 2 +-
> include/drm/drm_framebuffer.h | 4 +-
> include/uapi/drm/drm_mode.h | 13 +++---
> 12 files changed, 79 insertions(+), 69 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> index 57e0a6e96f6d..bfaa6e4a9989 100644
> --- a/drivers/gpu/drm/drm_atomic.c
> +++ b/drivers/gpu/drm/drm_atomic.c
> @@ -922,12 +922,12 @@ static void drm_atomic_plane_print_state(struct drm_printer *p,
>
> drm_printf(p, "\t\tformat=%s\n",
> drm_get_format_name(fb->pixel_format, &format_name));
> + drm_printf(p, "\t\t\tmodifier=0x%llx\n", fb->modifier);
> drm_printf(p, "\t\tsize=%dx%d\n", fb->width, fb->height);
> drm_printf(p, "\t\tlayers:\n");
> for (i = 0; i < n; i++) {
> drm_printf(p, "\t\t\tpitch[%d]=%u\n", i, fb->pitches[i]);
> drm_printf(p, "\t\t\toffset[%d]=%u\n", i, fb->offsets[i]);
> - drm_printf(p, "\t\t\tmodifier[%d]=0x%llx\n", i, fb->modifier[i]);
> }
> }
> drm_printf(p, "\tcrtc-pos=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&dest));
> diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
> index 06ad3d1350c4..cbf0c893f426 100644
> --- a/drivers/gpu/drm/drm_framebuffer.c
> +++ b/drivers/gpu/drm/drm_framebuffer.c
> @@ -177,6 +177,13 @@ static int framebuffer_check(const struct drm_mode_fb_cmd2 *r)
> return -EINVAL;
> }
>
> + if (r->flags & DRM_MODE_FB_MODIFIERS &&
> + r->modifier[i] != r->modifier[0]) {
> + DRM_DEBUG_KMS("bad fb modifier %llu for plane %d\n",
> + r->modifier[i], i);
> + return -EINVAL;
> + }
> +
> /* modifier specific checks: */
> switch (r->modifier[i]) {
> case DRM_FORMAT_MOD_SAMSUNG_64_32_TILE:
> diff --git a/drivers/gpu/drm/drm_modeset_helper.c b/drivers/gpu/drm/drm_modeset_helper.c
> index 2f452b3dd40e..633355e02398 100644
> --- a/drivers/gpu/drm/drm_modeset_helper.c
> +++ b/drivers/gpu/drm/drm_modeset_helper.c
> @@ -93,8 +93,8 @@ void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
> for (i = 0; i < 4; i++) {
> fb->pitches[i] = mode_cmd->pitches[i];
> fb->offsets[i] = mode_cmd->offsets[i];
> - fb->modifier[i] = mode_cmd->modifier[i];
> }
> + fb->modifier = mode_cmd->modifier[0];
> fb->pixel_format = mode_cmd->pixel_format;
> fb->flags = mode_cmd->flags;
> }
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 1cc971cb6cb1..ae136af4aa37 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -1897,7 +1897,7 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
> fbdev_fb->base.height,
> fbdev_fb->base.depth,
> fbdev_fb->base.bits_per_pixel,
> - fbdev_fb->base.modifier[0],
> + fbdev_fb->base.modifier,
> drm_framebuffer_read_refcount(&fbdev_fb->base));
> describe_obj(m, fbdev_fb->obj);
> seq_putc(m, '\n');
> @@ -1915,7 +1915,7 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
> fb->base.height,
> fb->base.depth,
> fb->base.bits_per_pixel,
> - fb->base.modifier[0],
> + fb->base.modifier,
> drm_framebuffer_read_refcount(&fb->base));
> describe_obj(m, fb->obj);
> seq_putc(m, '\n');
> diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c
> index ff821649486e..dbe9fb41ae53 100644
> --- a/drivers/gpu/drm/i915/intel_atomic_plane.c
> +++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
> @@ -144,8 +144,8 @@ static int intel_plane_atomic_check(struct drm_plane *plane,
> if (state->fb && drm_rotation_90_or_270(state->rotation)) {
> struct drm_format_name_buf format_name;
>
> - if (!(state->fb->modifier[0] == I915_FORMAT_MOD_Y_TILED ||
> - state->fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED)) {
> + if (state->fb->modifier != I915_FORMAT_MOD_Y_TILED &&
> + state->fb->modifier != I915_FORMAT_MOD_Yf_TILED) {
> DRM_DEBUG_KMS("Y/Yf tiling required for 90/270!\n");
> return -EINVAL;
> }
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 2ebb8b833395..0d4884f1d321 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -2195,7 +2195,7 @@ intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, unsigned int rotation)
>
> WARN_ON(!mutex_is_locked(&dev->struct_mutex));
>
> - alignment = intel_surf_alignment(dev_priv, fb->modifier[0]);
> + alignment = intel_surf_alignment(dev_priv, fb->modifier);
>
> intel_fill_fb_ggtt_view(&view, fb, rotation);
>
> @@ -2356,13 +2356,13 @@ static u32 intel_adjust_tile_offset(int *x, int *y,
>
> WARN_ON(new_offset > old_offset);
>
> - if (fb->modifier[plane] != DRM_FORMAT_MOD_NONE) {
> + if (fb->modifier != DRM_FORMAT_MOD_NONE) {
> unsigned int tile_size, tile_width, tile_height;
> unsigned int pitch_tiles;
>
> tile_size = intel_tile_size(dev_priv);
> intel_tile_dims(dev_priv, &tile_width, &tile_height,
> - fb->modifier[plane], cpp);
> + fb->modifier, cpp);
>
> if (drm_rotation_90_or_270(rotation)) {
> pitch_tiles = pitch / tile_height;
> @@ -2405,7 +2405,7 @@ static u32 _intel_compute_tile_offset(const struct drm_i915_private *dev_priv,
> unsigned int rotation,
> u32 alignment)
> {
> - uint64_t fb_modifier = fb->modifier[plane];
> + uint64_t fb_modifier = fb->modifier;
> unsigned int cpp = drm_format_plane_cpp(fb->pixel_format, plane);
> u32 offset, offset_aligned;
>
> @@ -2464,7 +2464,7 @@ u32 intel_compute_tile_offset(int *x, int *y,
> if (fb->pixel_format == DRM_FORMAT_NV12 && plane == 1)
> alignment = 4096;
> else
> - alignment = intel_surf_alignment(dev_priv, fb->modifier[plane]);
> + alignment = intel_surf_alignment(dev_priv, fb->modifier);
>
> return _intel_compute_tile_offset(dev_priv, x, y, fb, plane, pitch,
> rotation, alignment);
> @@ -2546,13 +2546,13 @@ intel_fill_fb_info(struct drm_i915_private *dev_priv,
> DRM_ROTATE_0, tile_size);
> offset /= tile_size;
>
> - if (fb->modifier[i] != DRM_FORMAT_MOD_NONE) {
> + if (fb->modifier != DRM_FORMAT_MOD_NONE) {
> unsigned int tile_width, tile_height;
> unsigned int pitch_tiles;
> struct drm_rect r;
>
> intel_tile_dims(dev_priv, &tile_width, &tile_height,
> - fb->modifier[i], cpp);
> + fb->modifier, cpp);
>
> rot_info->plane[i].offset = offset;
> rot_info->plane[i].stride = DIV_ROUND_UP(fb->pitches[i], tile_width * cpp);
> @@ -2711,7 +2711,7 @@ intel_alloc_initial_plane_obj(struct intel_crtc *crtc,
> mode_cmd.width = fb->width;
> mode_cmd.height = fb->height;
> mode_cmd.pitches[0] = fb->pitches[0];
> - mode_cmd.modifier[0] = fb->modifier[0];
> + mode_cmd.modifier[0] = fb->modifier;
> mode_cmd.flags = DRM_MODE_FB_MODIFIERS;
>
> if (intel_framebuffer_init(dev, to_intel_framebuffer(fb),
> @@ -2841,7 +2841,7 @@ static int skl_max_plane_width(const struct drm_framebuffer *fb, int plane,
> {
> int cpp = drm_format_plane_cpp(fb->pixel_format, plane);
>
> - switch (fb->modifier[plane]) {
> + switch (fb->modifier) {
> case DRM_FORMAT_MOD_NONE:
> case I915_FORMAT_MOD_X_TILED:
> switch (cpp) {
> @@ -2872,7 +2872,7 @@ static int skl_max_plane_width(const struct drm_framebuffer *fb, int plane,
> }
> break;
> default:
> - MISSING_CASE(fb->modifier[plane]);
> + MISSING_CASE(fb->modifier);
> }
>
> return 2048;
> @@ -2900,7 +2900,7 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
> intel_add_fb_offsets(&x, &y, plane_state, 0);
> offset = intel_compute_tile_offset(&x, &y, plane_state, 0);
>
> - alignment = intel_surf_alignment(dev_priv, fb->modifier[0]);
> + alignment = intel_surf_alignment(dev_priv, fb->modifier);
>
> /*
> * AUX surface offset is specified as the distance from the
> @@ -2917,7 +2917,7 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
> *
> * TODO: linear and Y-tiled seem fine, Yf untested,
> */
> - if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED) {
> + if (fb->modifier == I915_FORMAT_MOD_X_TILED) {
> int cpp = drm_format_plane_cpp(fb->pixel_format, 0);
>
> while ((x + w) * cpp > fb->pitches[0]) {
> @@ -3066,7 +3066,7 @@ static void i9xx_update_primary_plane(struct drm_plane *primary,
> }
>
> if (INTEL_GEN(dev_priv) >= 4 &&
> - fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
> + fb->modifier == I915_FORMAT_MOD_X_TILED)
> dspcntr |= DISPPLANE_TILED;
>
> if (rotation & DRM_ROTATE_180)
> @@ -3177,7 +3177,7 @@ static void ironlake_update_primary_plane(struct drm_plane *primary,
> BUG();
> }
>
> - if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
> + if (fb->modifier == I915_FORMAT_MOD_X_TILED)
> dspcntr |= DISPPLANE_TILED;
>
> if (rotation & DRM_ROTATE_180)
> @@ -3287,9 +3287,9 @@ u32 skl_plane_stride(const struct drm_framebuffer *fb, int plane,
> if (drm_rotation_90_or_270(rotation)) {
> int cpp = drm_format_plane_cpp(fb->pixel_format, plane);
>
> - stride /= intel_tile_height(dev_priv, fb->modifier[0], cpp);
> + stride /= intel_tile_height(dev_priv, fb->modifier, cpp);
> } else {
> - stride /= intel_fb_stride_alignment(dev_priv, fb->modifier[0],
> + stride /= intel_fb_stride_alignment(dev_priv, fb->modifier,
> fb->pixel_format);
> }
>
> @@ -3405,7 +3405,7 @@ static void skylake_update_primary_plane(struct drm_plane *plane,
> PLANE_CTL_PIPE_CSC_ENABLE;
>
> plane_ctl |= skl_plane_ctl_format(fb->pixel_format);
> - plane_ctl |= skl_plane_ctl_tiling(fb->modifier[0]);
> + plane_ctl |= skl_plane_ctl_tiling(fb->modifier);
> plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE;
> plane_ctl |= skl_plane_ctl_rotation(rotation);
>
> @@ -8731,7 +8731,7 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc,
> if (INTEL_INFO(dev)->gen >= 4) {
> if (val & DISPPLANE_TILED) {
> plane_config->tiling = I915_TILING_X;
> - fb->modifier[0] = I915_FORMAT_MOD_X_TILED;
> + fb->modifier = I915_FORMAT_MOD_X_TILED;
> }
> }
>
> @@ -8760,7 +8760,7 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc,
>
> aligned_height = intel_fb_align_height(dev, fb->height,
> fb->pixel_format,
> - fb->modifier[0]);
> + fb->modifier);
>
> plane_config->size = fb->pitches[0] * aligned_height;
>
> @@ -9774,17 +9774,17 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
> tiling = val & PLANE_CTL_TILED_MASK;
> switch (tiling) {
> case PLANE_CTL_TILED_LINEAR:
> - fb->modifier[0] = DRM_FORMAT_MOD_NONE;
> + fb->modifier = DRM_FORMAT_MOD_NONE;
> break;
> case PLANE_CTL_TILED_X:
> plane_config->tiling = I915_TILING_X;
> - fb->modifier[0] = I915_FORMAT_MOD_X_TILED;
> + fb->modifier = I915_FORMAT_MOD_X_TILED;
> break;
> case PLANE_CTL_TILED_Y:
> - fb->modifier[0] = I915_FORMAT_MOD_Y_TILED;
> + fb->modifier = I915_FORMAT_MOD_Y_TILED;
> break;
> case PLANE_CTL_TILED_YF:
> - fb->modifier[0] = I915_FORMAT_MOD_Yf_TILED;
> + fb->modifier = I915_FORMAT_MOD_Yf_TILED;
> break;
> default:
> MISSING_CASE(tiling);
> @@ -9801,13 +9801,13 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
> fb->width = ((val >> 0) & 0x1fff) + 1;
>
> val = I915_READ(PLANE_STRIDE(pipe, 0));
> - stride_mult = intel_fb_stride_alignment(dev_priv, fb->modifier[0],
> + stride_mult = intel_fb_stride_alignment(dev_priv, fb->modifier,
> fb->pixel_format);
> fb->pitches[0] = (val & 0x3ff) * stride_mult;
>
> aligned_height = intel_fb_align_height(dev, fb->height,
> fb->pixel_format,
> - fb->modifier[0]);
> + fb->modifier);
>
> plane_config->size = fb->pitches[0] * aligned_height;
>
> @@ -9875,7 +9875,7 @@ ironlake_get_initial_plane_config(struct intel_crtc *crtc,
> if (INTEL_INFO(dev)->gen >= 4) {
> if (val & DISPPLANE_TILED) {
> plane_config->tiling = I915_TILING_X;
> - fb->modifier[0] = I915_FORMAT_MOD_X_TILED;
> + fb->modifier = I915_FORMAT_MOD_X_TILED;
> }
> }
>
> @@ -9904,7 +9904,7 @@ ironlake_get_initial_plane_config(struct intel_crtc *crtc,
>
> aligned_height = intel_fb_align_height(dev, fb->height,
> fb->pixel_format,
> - fb->modifier[0]);
> + fb->modifier);
>
> plane_config->size = fb->pitches[0] * aligned_height;
>
> @@ -11812,7 +11812,7 @@ static int intel_gen4_queue_flip(struct drm_device *dev,
> MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
> intel_ring_emit(ring, fb->pitches[0]);
> intel_ring_emit(ring, intel_crtc->flip_work->gtt_offset |
> - intel_fb_modifier_to_tiling(fb->modifier[0]));
> + intel_fb_modifier_to_tiling(fb->modifier));
>
> /* XXX Enabling the panel-fitter across page-flip is so far
> * untested on non-native modes, so ignore it for now.
> @@ -11845,7 +11845,7 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
> intel_ring_emit(ring, MI_DISPLAY_FLIP |
> MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
> intel_ring_emit(ring, fb->pitches[0] |
> - intel_fb_modifier_to_tiling(fb->modifier[0]));
> + intel_fb_modifier_to_tiling(fb->modifier));
> intel_ring_emit(ring, intel_crtc->flip_work->gtt_offset);
>
> /* Contrary to the suggestions in the documentation,
> @@ -11951,7 +11951,7 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
>
> intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit);
> intel_ring_emit(ring, fb->pitches[0] |
> - intel_fb_modifier_to_tiling(fb->modifier[0]));
> + intel_fb_modifier_to_tiling(fb->modifier));
> intel_ring_emit(ring, intel_crtc->flip_work->gtt_offset);
> intel_ring_emit(ring, (MI_NOOP));
>
> @@ -11997,7 +11997,7 @@ static void skl_do_mmio_flip(struct intel_crtc *intel_crtc,
>
> ctl = I915_READ(PLANE_CTL(pipe, 0));
> ctl &= ~PLANE_CTL_TILED_MASK;
> - switch (fb->modifier[0]) {
> + switch (fb->modifier) {
> case DRM_FORMAT_MOD_NONE:
> break;
> case I915_FORMAT_MOD_X_TILED:
> @@ -12010,7 +12010,7 @@ static void skl_do_mmio_flip(struct intel_crtc *intel_crtc,
> ctl |= PLANE_CTL_TILED_YF;
> break;
> default:
> - MISSING_CASE(fb->modifier[0]);
> + MISSING_CASE(fb->modifier);
> }
>
> /*
> @@ -12035,7 +12035,7 @@ static void ilk_do_mmio_flip(struct intel_crtc *intel_crtc,
>
> dspcntr = I915_READ(reg);
>
> - if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
> + if (fb->modifier == I915_FORMAT_MOD_X_TILED)
> dspcntr |= DISPPLANE_TILED;
> else
> dspcntr &= ~DISPPLANE_TILED;
> @@ -12251,7 +12251,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
>
> if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
> engine = dev_priv->engine[BCS];
> - if (fb->modifier[0] != old_fb->modifier[0])
> + if (fb->modifier != old_fb->modifier)
> /* vlv: DISPLAY_FLIP fails to change tiling */
> engine = NULL;
> } else if (IS_IVYBRIDGE(dev_priv) || IS_HASWELL(dev_priv)) {
> @@ -12407,7 +12407,7 @@ static bool intel_wm_need_update(struct drm_plane *plane,
> if (!cur->base.fb || !new->base.fb)
> return false;
>
> - if (cur->base.fb->modifier[0] != new->base.fb->modifier[0] ||
> + if (cur->base.fb->modifier != new->base.fb->modifier ||
> cur->base.rotation != new->base.rotation ||
> drm_rect_width(&new->base.src) != drm_rect_width(&cur->base.src) ||
> drm_rect_height(&new->base.src) != drm_rect_height(&cur->base.src) ||
> @@ -15138,7 +15138,7 @@ intel_check_cursor_plane(struct drm_plane *plane,
> return -ENOMEM;
> }
>
> - if (fb->modifier[0] != DRM_FORMAT_MOD_NONE) {
> + if (fb->modifier != DRM_FORMAT_MOD_NONE) {
> DRM_DEBUG_KMS("cursor cannot be tiled\n");
> return -EINVAL;
> }
> diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
> index fc958d5ed0dc..beb08982dc0b 100644
> --- a/drivers/gpu/drm/i915/intel_fbdev.c
> +++ b/drivers/gpu/drm/i915/intel_fbdev.c
> @@ -633,7 +633,7 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
> cur_size = intel_crtc->config->base.adjusted_mode.crtc_vdisplay;
> cur_size = intel_fb_align_height(dev, cur_size,
> fb->base.pixel_format,
> - fb->base.modifier[0]);
> + fb->base.modifier);
> cur_size *= fb->base.pitches[0];
> DRM_DEBUG_KMS("pipe %c area: %dx%d, bpp: %d, size: %d\n",
> pipe_name(intel_crtc->pipe),
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 1331bcc41868..572919775ece 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -3065,7 +3065,7 @@ bool intel_can_enable_sagv(struct drm_atomic_state *state)
> latency = dev_priv->wm.skl_latency[level];
>
> if (skl_needs_memory_bw_wa(intel_state) &&
> - plane->base.state->fb->modifier[0] ==
> + plane->base.state->fb->modifier ==
> I915_FORMAT_MOD_X_TILED)
> latency += 15;
>
> @@ -3325,8 +3325,8 @@ skl_ddb_min_alloc(const struct drm_plane_state *pstate,
> return 0;
>
> /* For Non Y-tile return 8-blocks */
> - if (fb->modifier[0] != I915_FORMAT_MOD_Y_TILED &&
> - fb->modifier[0] != I915_FORMAT_MOD_Yf_TILED)
> + if (fb->modifier != I915_FORMAT_MOD_Y_TILED &&
> + fb->modifier != I915_FORMAT_MOD_Yf_TILED)
> return 8;
>
> src_w = drm_rect_width(&intel_pstate->base.src) >> 16;
> @@ -3595,7 +3595,7 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
> return 0;
> }
>
> - if (apply_memory_bw_wa && fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
> + if (apply_memory_bw_wa && fb->modifier == I915_FORMAT_MOD_X_TILED)
> latency += 15;
>
> width = drm_rect_width(&intel_pstate->base.src) >> 16;
> @@ -3634,12 +3634,12 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
> y_min_scanlines *= 2;
>
> plane_bytes_per_line = width * cpp;
> - if (fb->modifier[0] == I915_FORMAT_MOD_Y_TILED ||
> - fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED) {
> + if (fb->modifier == I915_FORMAT_MOD_Y_TILED ||
> + fb->modifier == I915_FORMAT_MOD_Yf_TILED) {
> plane_blocks_per_line =
> DIV_ROUND_UP(plane_bytes_per_line * y_min_scanlines, 512);
> plane_blocks_per_line /= y_min_scanlines;
> - } else if (fb->modifier[0] == DRM_FORMAT_MOD_NONE) {
> + } else if (fb->modifier == DRM_FORMAT_MOD_NONE) {
> plane_blocks_per_line = DIV_ROUND_UP(plane_bytes_per_line, 512)
> + 1;
> } else {
> @@ -3654,8 +3654,8 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
>
> y_tile_minimum = plane_blocks_per_line * y_min_scanlines;
>
> - if (fb->modifier[0] == I915_FORMAT_MOD_Y_TILED ||
> - fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED) {
> + if (fb->modifier == I915_FORMAT_MOD_Y_TILED ||
> + fb->modifier == I915_FORMAT_MOD_Yf_TILED) {
> selected_result = max(method2, y_tile_minimum);
> } else {
> if ((cpp * cstate->base.adjusted_mode.crtc_htotal / 512 < 1) &&
> @@ -3671,8 +3671,8 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
> res_lines = DIV_ROUND_UP(selected_result, plane_blocks_per_line);
>
> if (level >= 1 && level <= 7) {
> - if (fb->modifier[0] == I915_FORMAT_MOD_Y_TILED ||
> - fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED) {
> + if (fb->modifier == I915_FORMAT_MOD_Y_TILED ||
> + fb->modifier == I915_FORMAT_MOD_Yf_TILED) {
> res_blocks += y_tile_minimum;
> res_lines += y_min_scanlines;
> } else {
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index c2b629c922e7..8f131a08d440 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -224,7 +224,7 @@ skl_update_plane(struct drm_plane *drm_plane,
> PLANE_CTL_PIPE_CSC_ENABLE;
>
> plane_ctl |= skl_plane_ctl_format(fb->pixel_format);
> - plane_ctl |= skl_plane_ctl_tiling(fb->modifier[0]);
> + plane_ctl |= skl_plane_ctl_tiling(fb->modifier);
>
> plane_ctl |= skl_plane_ctl_rotation(rotation);
>
> @@ -406,7 +406,7 @@ vlv_update_plane(struct drm_plane *dplane,
> */
> sprctl |= SP_GAMMA_ENABLE;
>
> - if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
> + if (fb->modifier == I915_FORMAT_MOD_X_TILED)
> sprctl |= SP_TILED;
>
> if (rotation & DRM_ROTATE_180)
> @@ -448,7 +448,7 @@ vlv_update_plane(struct drm_plane *dplane,
> I915_WRITE(SPSTRIDE(pipe, plane), fb->pitches[0]);
> I915_WRITE(SPPOS(pipe, plane), (crtc_y << 16) | crtc_x);
>
> - if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
> + if (fb->modifier == I915_FORMAT_MOD_X_TILED)
> I915_WRITE(SPTILEOFF(pipe, plane), (y << 16) | x);
> else
> I915_WRITE(SPLINOFF(pipe, plane), linear_offset);
> @@ -531,7 +531,7 @@ ivb_update_plane(struct drm_plane *plane,
> */
> sprctl |= SPRITE_GAMMA_ENABLE;
>
> - if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
> + if (fb->modifier == I915_FORMAT_MOD_X_TILED)
> sprctl |= SPRITE_TILED;
>
> if (rotation & DRM_ROTATE_180)
> @@ -584,7 +584,7 @@ ivb_update_plane(struct drm_plane *plane,
> * register */
> if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
> I915_WRITE(SPROFFSET(pipe), (y << 16) | x);
> - else if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
> + else if (fb->modifier == I915_FORMAT_MOD_X_TILED)
> I915_WRITE(SPRTILEOFF(pipe), (y << 16) | x);
> else
> I915_WRITE(SPRLINOFF(pipe), linear_offset);
> @@ -669,7 +669,7 @@ ilk_update_plane(struct drm_plane *plane,
> */
> dvscntr |= DVS_GAMMA_ENABLE;
>
> - if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
> + if (fb->modifier == I915_FORMAT_MOD_X_TILED)
> dvscntr |= DVS_TILED;
>
> if (rotation & DRM_ROTATE_180)
> @@ -712,7 +712,7 @@ ilk_update_plane(struct drm_plane *plane,
> I915_WRITE(DVSSTRIDE(pipe), fb->pitches[0]);
> I915_WRITE(DVSPOS(pipe), (crtc_y << 16) | crtc_x);
>
> - if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
> + if (fb->modifier == I915_FORMAT_MOD_X_TILED)
> I915_WRITE(DVSTILEOFF(pipe), (y << 16) | x);
> else
> I915_WRITE(DVSLINOFF(pipe), linear_offset);
> diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c
> index 3903dbcda763..911e4690d36a 100644
> --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c
> +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c
> @@ -40,7 +40,7 @@ enum mdp4_frame_format mdp4_get_frame_format(struct drm_framebuffer *fb)
> {
> bool is_tile = false;
>
> - if (fb->modifier[1] == DRM_FORMAT_MOD_SAMSUNG_64_32_TILE)
> + if (fb->modifier == DRM_FORMAT_MOD_SAMSUNG_64_32_TILE)
> is_tile = true;
>
> if (fb->pixel_format == DRM_FORMAT_NV12 && is_tile)
> diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h
> index f5ae1f436a4b..b3141a0e609b 100644
> --- a/include/drm/drm_framebuffer.h
> +++ b/include/drm/drm_framebuffer.h
> @@ -149,12 +149,12 @@ struct drm_framebuffer {
> */
> unsigned int offsets[4];
> /**
> - * @modifier: Data layout modifier, per buffer. This is used to describe
> + * @modifier: Data layout modifier. This is used to describe
> * tiling, or also special layouts (like compression) of auxiliary
> * buffers. For userspace created object this is copied from
> * drm_mode_fb_cmd2.
> */
> - uint64_t modifier[4];
> + uint64_t modifier;
> /**
> * @width: Logical width of the visible area of the framebuffer, in
> * pixels.
> diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
> index 01000c9f7c2c..7620bb15ec4f 100644
> --- a/include/uapi/drm/drm_mode.h
> +++ b/include/uapi/drm/drm_mode.h
> @@ -414,17 +414,20 @@ struct drm_mode_fb_cmd2 {
> * offsets[1]. Note that offsets[0] will generally
> * be 0 (but this is not required).
> *
> - * To accommodate tiled, compressed, etc formats, a per-plane
> + * To accommodate tiled, compressed, etc formats, a
> * modifier can be specified. The default value of zero
> * indicates "native" format as specified by the fourcc.
> - * Vendor specific modifier token. This allows, for example,
> - * different tiling/swizzling pattern on different planes.
> - * See discussion above of DRM_FORMAT_MOD_xxx.
> + * Vendor specific modifier token. Note that even though
> + * it looks like we have a modifier per-plane, we in fact
> + * do not. The modifier for each plane must be identical.
> + * Thus all combinations of different data layouts for
> + * multi plane formats must be enumerated as separate
> + * modifiers.
> */
> __u32 handles[4];
> __u32 pitches[4]; /* pitch for each plane */
> __u32 offsets[4]; /* offset of each plane */
> - __u64 modifier[4]; /* ie, tiling, compressed (per plane) */
> + __u64 modifier[4]; /* ie, tiling, compress */
> };
>
> #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
> --
> 2.7.4
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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