Commit a38189c5 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Promote .format_mod_supported() to the lead role 

Up to now we've used the plane's modifier list as the primary
source of information for which modifiers are supported by a
given plane. In order to allow auxiliary metadata to be embedded
within the bits of the modifier we need to stop doing that.

Thus we have to make .format_mod_supported() aware of the plane's
capabilities and gracefully deal with any modifier being passed
in directly from userspace.

v2: Rebase after NV12
    Simplify

Cc: Eric Anholt <eric@anholt.net>
References: https://lists.freedesktop.org/archives/dri-devel/2018-March/169782.html


Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180518162159.30305-1-ville.syrjala@linux.intel.com


Reviewed-by: default avatarEric Anholt <eric@anholt.net>
parent bccfaffb

drivers/gpu/drm/i915/intel_display.c

+80 −36
Original line number Diff line number Diff line
@@ -13067,8 +13067,17 @@ void intel_plane_destroy(struct drm_plane *plane) 
	kfree(to_intel_plane(plane));

}



static bool i8xx_mod_supported(uint32_t format, uint64_t modifier)

static bool i8xx_plane_format_mod_supported(struct drm_plane *_plane,

					    u32 format, u64 modifier)

{

	switch (modifier) {

	case DRM_FORMAT_MOD_LINEAR:

	case I915_FORMAT_MOD_X_TILED:

		break;

	default:

		return false;

	}



	switch (format) {

	case DRM_FORMAT_C8:

	case DRM_FORMAT_RGB565:
@@ -13081,8 +13090,17 @@ static bool i8xx_mod_supported(uint32_t format, uint64_t modifier) 
	}

}



static bool i965_mod_supported(uint32_t format, uint64_t modifier)

static bool i965_plane_format_mod_supported(struct drm_plane *_plane,

					    u32 format, u64 modifier)

{

	switch (modifier) {

	case DRM_FORMAT_MOD_LINEAR:

	case I915_FORMAT_MOD_X_TILED:

		break;

	default:

		return false;

	}



	switch (format) {

	case DRM_FORMAT_C8:

	case DRM_FORMAT_RGB565:
@@ -13097,8 +13115,26 @@ static bool i965_mod_supported(uint32_t format, uint64_t modifier) 
	}

}



static bool skl_mod_supported(uint32_t format, uint64_t modifier)

static bool skl_plane_format_mod_supported(struct drm_plane *_plane,

					   u32 format, u64 modifier)

{

	struct intel_plane *plane = to_intel_plane(_plane);



	switch (modifier) {

	case DRM_FORMAT_MOD_LINEAR:

	case I915_FORMAT_MOD_X_TILED:

	case I915_FORMAT_MOD_Y_TILED:

	case I915_FORMAT_MOD_Yf_TILED:

		break;

	case I915_FORMAT_MOD_Y_TILED_CCS:

	case I915_FORMAT_MOD_Yf_TILED_CCS:

		if (!plane->has_ccs)

			return false;

		break;

	default:

		return false;

	}



	switch (format) {

	case DRM_FORMAT_XRGB8888:

	case DRM_FORMAT_XBGR8888:
@@ -13129,38 +13165,36 @@ static bool skl_mod_supported(uint32_t format, uint64_t modifier) 
	}

}



static bool intel_primary_plane_format_mod_supported(struct drm_plane *plane,

						     uint32_t format,

						     uint64_t modifier)

static bool intel_cursor_format_mod_supported(struct drm_plane *_plane,

					      u32 format, u64 modifier)

{

	struct drm_i915_private *dev_priv = to_i915(plane->dev);



	if (WARN_ON(modifier == DRM_FORMAT_MOD_INVALID))

		return false;



	if ((modifier >> 56) != DRM_FORMAT_MOD_VENDOR_INTEL &&

	    modifier != DRM_FORMAT_MOD_LINEAR)

		return false;



	if (INTEL_GEN(dev_priv) >= 9)

		return skl_mod_supported(format, modifier);

	else if (INTEL_GEN(dev_priv) >= 4)

		return i965_mod_supported(format, modifier);

	else

		return i8xx_mod_supported(format, modifier);

	return modifier == DRM_FORMAT_MOD_LINEAR &&

		format == DRM_FORMAT_ARGB8888;

}



static bool intel_cursor_plane_format_mod_supported(struct drm_plane *plane,

						    uint32_t format,

						    uint64_t modifier)

{

	if (WARN_ON(modifier == DRM_FORMAT_MOD_INVALID))

		return false;

static struct drm_plane_funcs skl_plane_funcs = {

	.update_plane = drm_atomic_helper_update_plane,

	.disable_plane = drm_atomic_helper_disable_plane,

	.destroy = intel_plane_destroy,

	.atomic_get_property = intel_plane_atomic_get_property,

	.atomic_set_property = intel_plane_atomic_set_property,

	.atomic_duplicate_state = intel_plane_duplicate_state,

	.atomic_destroy_state = intel_plane_destroy_state,

	.format_mod_supported = skl_plane_format_mod_supported,

};



	return modifier == DRM_FORMAT_MOD_LINEAR && format == DRM_FORMAT_ARGB8888;

}

static struct drm_plane_funcs i965_plane_funcs = {

	.update_plane = drm_atomic_helper_update_plane,

	.disable_plane = drm_atomic_helper_disable_plane,

	.destroy = intel_plane_destroy,

	.atomic_get_property = intel_plane_atomic_get_property,

	.atomic_set_property = intel_plane_atomic_set_property,

	.atomic_duplicate_state = intel_plane_duplicate_state,

	.atomic_destroy_state = intel_plane_destroy_state,

	.format_mod_supported = i965_plane_format_mod_supported,

};



static struct drm_plane_funcs intel_plane_funcs = {

static struct drm_plane_funcs i8xx_plane_funcs = {

	.update_plane = drm_atomic_helper_update_plane,

	.disable_plane = drm_atomic_helper_disable_plane,

	.destroy = intel_plane_destroy,
@@ -13168,7 +13202,7 @@ static struct drm_plane_funcs intel_plane_funcs = { 
	.atomic_set_property = intel_plane_atomic_set_property,

	.atomic_duplicate_state = intel_plane_duplicate_state,

	.atomic_destroy_state = intel_plane_destroy_state,

	.format_mod_supported = intel_primary_plane_format_mod_supported,

	.format_mod_supported = i8xx_plane_format_mod_supported,

};



static int
@@ -13293,7 +13327,7 @@ static const struct drm_plane_funcs intel_cursor_plane_funcs = { 
	.atomic_set_property = intel_plane_atomic_set_property,

	.atomic_duplicate_state = intel_plane_duplicate_state,

	.atomic_destroy_state = intel_plane_destroy_state,

	.format_mod_supported = intel_cursor_plane_format_mod_supported,

	.format_mod_supported = intel_cursor_format_mod_supported,

};



static bool i9xx_plane_has_fbc(struct drm_i915_private *dev_priv,
@@ -13327,6 +13361,7 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) 
{

	struct intel_plane *primary = NULL;

	struct intel_plane_state *state = NULL;

	const struct drm_plane_funcs *plane_funcs;

	const uint32_t *intel_primary_formats;

	unsigned int supported_rotations;

	unsigned int num_formats;
@@ -13382,10 +13417,13 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) 
	primary->check_plane = intel_check_primary_plane;



	if (INTEL_GEN(dev_priv) >= 9) {

		primary->has_ccs = skl_plane_has_ccs(dev_priv, pipe,

						     PLANE_PRIMARY);



		intel_primary_formats = skl_primary_formats;

		num_formats = ARRAY_SIZE(skl_primary_formats);



		if (skl_plane_has_ccs(dev_priv, pipe, PLANE_PRIMARY))

		if (primary->has_ccs)

			modifiers = skl_format_modifiers_ccs;

		else

			modifiers = skl_format_modifiers_noccs;
@@ -13393,6 +13431,8 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) 
		primary->update_plane = skl_update_plane;

		primary->disable_plane = skl_disable_plane;

		primary->get_hw_state = skl_plane_get_hw_state;



		plane_funcs = &skl_plane_funcs;

	} else if (INTEL_GEN(dev_priv) >= 4) {

		intel_primary_formats = i965_primary_formats;

		num_formats = ARRAY_SIZE(i965_primary_formats);
@@ -13401,6 +13441,8 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) 
		primary->update_plane = i9xx_update_plane;

		primary->disable_plane = i9xx_disable_plane;

		primary->get_hw_state = i9xx_plane_get_hw_state;



		plane_funcs = &i965_plane_funcs;

	} else {

		intel_primary_formats = i8xx_primary_formats;

		num_formats = ARRAY_SIZE(i8xx_primary_formats);
@@ -13409,25 +13451,27 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) 
		primary->update_plane = i9xx_update_plane;

		primary->disable_plane = i9xx_disable_plane;

		primary->get_hw_state = i9xx_plane_get_hw_state;



		plane_funcs = &i8xx_plane_funcs;

	}



	if (INTEL_GEN(dev_priv) >= 9)

		ret = drm_universal_plane_init(&dev_priv->drm, &primary->base,

					       0, &intel_plane_funcs,

					       0, plane_funcs,

					       intel_primary_formats, num_formats,

					       modifiers,

					       DRM_PLANE_TYPE_PRIMARY,

					       "plane 1%c", pipe_name(pipe));

	else if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))

		ret = drm_universal_plane_init(&dev_priv->drm, &primary->base,

					       0, &intel_plane_funcs,

					       0, plane_funcs,

					       intel_primary_formats, num_formats,

					       modifiers,

					       DRM_PLANE_TYPE_PRIMARY,

					       "primary %c", pipe_name(pipe));

	else

		ret = drm_universal_plane_init(&dev_priv->drm, &primary->base,

					       0, &intel_plane_funcs,

					       0, plane_funcs,

					       intel_primary_formats, num_formats,

					       modifiers,

					       DRM_PLANE_TYPE_PRIMARY,

drivers/gpu/drm/i915/intel_drv.h

+1 −0
Original line number Diff line number Diff line
@@ -945,6 +945,7 @@ struct intel_plane { 
	enum pipe pipe;

	bool can_scale;

	bool has_fbc;

	bool has_ccs;

	int max_downscale;

	uint32_t frontbuffer_bit;

drivers/gpu/drm/i915/intel_sprite.c

+105 −36
Original line number Diff line number Diff line
@@ -1197,8 +1197,17 @@ static const uint64_t skl_plane_format_modifiers_ccs[] = { 
	DRM_FORMAT_MOD_INVALID

};



static bool g4x_mod_supported(uint32_t format, uint64_t modifier)

static bool g4x_sprite_format_mod_supported(struct drm_plane *_plane,

					    u32 format, u64 modifier)

{

	switch (modifier) {

	case DRM_FORMAT_MOD_LINEAR:

	case I915_FORMAT_MOD_X_TILED:

		break;

	default:

		return false;

	}



	switch (format) {

	case DRM_FORMAT_XRGB8888:

	case DRM_FORMAT_YUYV:
@@ -1214,8 +1223,17 @@ static bool g4x_mod_supported(uint32_t format, uint64_t modifier) 
	}

}



static bool snb_mod_supported(uint32_t format, uint64_t modifier)

static bool snb_sprite_format_mod_supported(struct drm_plane *_plane,

					    u32 format, u64 modifier)

{

	switch (modifier) {

	case DRM_FORMAT_MOD_LINEAR:

	case I915_FORMAT_MOD_X_TILED:

		break;

	default:

		return false;

	}



	switch (format) {

	case DRM_FORMAT_XRGB8888:

	case DRM_FORMAT_XBGR8888:
@@ -1232,8 +1250,17 @@ static bool snb_mod_supported(uint32_t format, uint64_t modifier) 
	}

}



static bool vlv_mod_supported(uint32_t format, uint64_t modifier)

static bool vlv_sprite_format_mod_supported(struct drm_plane *_plane,

					    u32 format, u64 modifier)

{

	switch (modifier) {

	case DRM_FORMAT_MOD_LINEAR:

	case I915_FORMAT_MOD_X_TILED:

		break;

	default:

		return false;

	}



	switch (format) {

	case DRM_FORMAT_RGB565:

	case DRM_FORMAT_ABGR8888:
@@ -1255,8 +1282,26 @@ static bool vlv_mod_supported(uint32_t format, uint64_t modifier) 
	}

}



static bool skl_mod_supported(uint32_t format, uint64_t modifier)

static bool skl_plane_format_mod_supported(struct drm_plane *_plane,

					   u32 format, u64 modifier)

{

	struct intel_plane *plane = to_intel_plane(_plane);



	switch (modifier) {

	case DRM_FORMAT_MOD_LINEAR:

	case I915_FORMAT_MOD_X_TILED:

	case I915_FORMAT_MOD_Y_TILED:

	case I915_FORMAT_MOD_Yf_TILED:

		break;

	case I915_FORMAT_MOD_Y_TILED_CCS:

	case I915_FORMAT_MOD_Yf_TILED_CCS:

		if (!plane->has_ccs)

			return false;

		break;

	default:

		return false;

	}



	switch (format) {

	case DRM_FORMAT_XRGB8888:

	case DRM_FORMAT_XBGR8888:
@@ -1287,30 +1332,40 @@ static bool skl_mod_supported(uint32_t format, uint64_t modifier) 
	}

}



static bool intel_sprite_plane_format_mod_supported(struct drm_plane *plane,

                                                    uint32_t format,

                                                    uint64_t modifier)

{

	struct drm_i915_private *dev_priv = to_i915(plane->dev);



	if (WARN_ON(modifier == DRM_FORMAT_MOD_INVALID))

		return false;

static const struct drm_plane_funcs g4x_sprite_funcs = {

	.update_plane = drm_atomic_helper_update_plane,

	.disable_plane = drm_atomic_helper_disable_plane,

	.destroy = intel_plane_destroy,

	.atomic_get_property = intel_plane_atomic_get_property,

	.atomic_set_property = intel_plane_atomic_set_property,

	.atomic_duplicate_state = intel_plane_duplicate_state,

	.atomic_destroy_state = intel_plane_destroy_state,

	.format_mod_supported = g4x_sprite_format_mod_supported,

};



	if ((modifier >> 56) != DRM_FORMAT_MOD_VENDOR_INTEL &&

	    modifier != DRM_FORMAT_MOD_LINEAR)

		return false;

static const struct drm_plane_funcs snb_sprite_funcs = {

	.update_plane = drm_atomic_helper_update_plane,

	.disable_plane = drm_atomic_helper_disable_plane,

	.destroy = intel_plane_destroy,

	.atomic_get_property = intel_plane_atomic_get_property,

	.atomic_set_property = intel_plane_atomic_set_property,

	.atomic_duplicate_state = intel_plane_duplicate_state,

	.atomic_destroy_state = intel_plane_destroy_state,

	.format_mod_supported = snb_sprite_format_mod_supported,

};



	if (INTEL_GEN(dev_priv) >= 9)

		return skl_mod_supported(format, modifier);

	else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))

		return vlv_mod_supported(format, modifier);

	else if (INTEL_GEN(dev_priv) >= 6)

		return snb_mod_supported(format, modifier);

	else

		return g4x_mod_supported(format, modifier);

}

static const struct drm_plane_funcs vlv_sprite_funcs = {

	.update_plane = drm_atomic_helper_update_plane,

	.disable_plane = drm_atomic_helper_disable_plane,

	.destroy = intel_plane_destroy,

	.atomic_get_property = intel_plane_atomic_get_property,

	.atomic_set_property = intel_plane_atomic_set_property,

	.atomic_duplicate_state = intel_plane_duplicate_state,

	.atomic_destroy_state = intel_plane_destroy_state,

	.format_mod_supported = vlv_sprite_format_mod_supported,

};



static const struct drm_plane_funcs intel_sprite_plane_funcs = {

static const struct drm_plane_funcs skl_plane_funcs = {

	.update_plane = drm_atomic_helper_update_plane,

	.disable_plane = drm_atomic_helper_disable_plane,

	.destroy = intel_plane_destroy,
@@ -1318,7 +1373,7 @@ static const struct drm_plane_funcs intel_sprite_plane_funcs = { 
	.atomic_set_property = intel_plane_atomic_set_property,

	.atomic_duplicate_state = intel_plane_duplicate_state,

	.atomic_destroy_state = intel_plane_destroy_state,

        .format_mod_supported = intel_sprite_plane_format_mod_supported,

	.format_mod_supported = skl_plane_format_mod_supported,

};



bool skl_plane_has_ccs(struct drm_i915_private *dev_priv,
@@ -1344,6 +1399,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, 
{

	struct intel_plane *intel_plane = NULL;

	struct intel_plane_state *state = NULL;

	const struct drm_plane_funcs *plane_funcs;

	unsigned long possible_crtcs;

	const uint32_t *plane_formats;

	const uint64_t *modifiers;
@@ -1368,6 +1424,9 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, 
		intel_plane->can_scale = true;

		state->scaler_id = -1;



		intel_plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe,

							 PLANE_SPRITE0 + plane);



		intel_plane->update_plane = skl_update_plane;

		intel_plane->disable_plane = skl_disable_plane;

		intel_plane->get_hw_state = skl_plane_get_hw_state;
@@ -1375,10 +1434,12 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, 
		plane_formats = skl_plane_formats;

		num_plane_formats = ARRAY_SIZE(skl_plane_formats);



		if (skl_plane_has_ccs(dev_priv, pipe, PLANE_SPRITE0 + plane))

		if (intel_plane->has_ccs)

			modifiers = skl_plane_format_modifiers_ccs;

		else

			modifiers = skl_plane_format_modifiers_noccs;



		plane_funcs = &skl_plane_funcs;

	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {

		intel_plane->can_scale = false;

		intel_plane->max_downscale = 1;
@@ -1390,6 +1451,8 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, 
		plane_formats = vlv_plane_formats;

		num_plane_formats = ARRAY_SIZE(vlv_plane_formats);

		modifiers = i9xx_plane_format_modifiers;



		plane_funcs = &vlv_sprite_funcs;

	} else if (INTEL_GEN(dev_priv) >= 7) {

		if (IS_IVYBRIDGE(dev_priv)) {

			intel_plane->can_scale = true;
@@ -1406,6 +1469,8 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, 
		plane_formats = snb_plane_formats;

		num_plane_formats = ARRAY_SIZE(snb_plane_formats);

		modifiers = i9xx_plane_format_modifiers;



		plane_funcs = &snb_sprite_funcs;

	} else {

		intel_plane->can_scale = true;

		intel_plane->max_downscale = 16;
@@ -1418,9 +1483,13 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, 
		if (IS_GEN6(dev_priv)) {

			plane_formats = snb_plane_formats;

			num_plane_formats = ARRAY_SIZE(snb_plane_formats);



			plane_funcs = &snb_sprite_funcs;

		} else {

			plane_formats = g4x_plane_formats;

			num_plane_formats = ARRAY_SIZE(g4x_plane_formats);



			plane_funcs = &g4x_sprite_funcs;

		}

	}
@@ -1447,14 +1516,14 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv, 


	if (INTEL_GEN(dev_priv) >= 9)

		ret = drm_universal_plane_init(&dev_priv->drm, &intel_plane->base,

					       possible_crtcs, &intel_sprite_plane_funcs,

					       possible_crtcs, plane_funcs,

					       plane_formats, num_plane_formats,

					       modifiers,

					       DRM_PLANE_TYPE_OVERLAY,

					       "plane %d%c", plane + 2, pipe_name(pipe));

	else

		ret = drm_universal_plane_init(&dev_priv->drm, &intel_plane->base,

					       possible_crtcs, &intel_sprite_plane_funcs,

					       possible_crtcs, plane_funcs,

					       plane_formats, num_plane_formats,

					       modifiers,

					       DRM_PLANE_TYPE_OVERLAY,

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