diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_atomic_plane.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_atomic_plane.c | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c deleted file mode 100644 index 4325cb0a04f5..000000000000 --- a/drivers/gpu/drm/i915/intel_atomic_plane.c +++ /dev/null @@ -1,281 +0,0 @@ -/* - * Copyright © 2014 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -/** - * DOC: atomic plane helpers - * - * The functions here are used by the atomic plane helper functions to - * implement legacy plane updates (i.e., drm_plane->update_plane() and - * drm_plane->disable_plane()). This allows plane updates to use the - * atomic state infrastructure and perform plane updates as separate - * prepare/check/commit/cleanup steps. - */ - -#include <drm/drmP.h> -#include <drm/drm_atomic_helper.h> -#include <drm/drm_plane_helper.h> -#include "intel_drv.h" - -/** - * intel_create_plane_state - create plane state object - * @plane: drm plane - * - * Allocates a fresh plane state for the given plane and sets some of - * the state values to sensible initial values. - * - * Returns: A newly allocated plane state, or NULL on failure - */ -struct intel_plane_state * -intel_create_plane_state(struct drm_plane *plane) -{ - struct intel_plane_state *state; - - state = kzalloc(sizeof(*state), GFP_KERNEL); - if (!state) - return NULL; - - state->base.plane = plane; - state->base.rotation = DRM_MODE_ROTATE_0; - state->ckey.flags = I915_SET_COLORKEY_NONE; - - return state; -} - -/** - * intel_plane_duplicate_state - duplicate plane state - * @plane: drm plane - * - * Allocates and returns a copy of the plane state (both common and - * Intel-specific) for the specified plane. - * - * Returns: The newly allocated plane state, or NULL on failure. - */ -struct drm_plane_state * -intel_plane_duplicate_state(struct drm_plane *plane) -{ - struct drm_plane_state *state; - struct intel_plane_state *intel_state; - - intel_state = kmemdup(plane->state, sizeof(*intel_state), GFP_KERNEL); - - if (!intel_state) - return NULL; - - state = &intel_state->base; - - __drm_atomic_helper_plane_duplicate_state(plane, state); - - intel_state->vma = NULL; - - return state; -} - -/** - * intel_plane_destroy_state - destroy plane state - * @plane: drm plane - * @state: state object to destroy - * - * Destroys the plane state (both common and Intel-specific) for the - * specified plane. - */ -void -intel_plane_destroy_state(struct drm_plane *plane, - struct drm_plane_state *state) -{ - WARN_ON(to_intel_plane_state(state)->vma); - - drm_atomic_helper_plane_destroy_state(plane, state); -} - -int intel_plane_atomic_check_with_state(struct intel_crtc_state *crtc_state, - struct intel_plane_state *intel_state) -{ - struct drm_plane *plane = intel_state->base.plane; - struct drm_i915_private *dev_priv = to_i915(plane->dev); - struct drm_plane_state *state = &intel_state->base; - struct intel_plane *intel_plane = to_intel_plane(plane); - int ret; - - /* - * Both crtc and plane->crtc could be NULL if we're updating a - * property while the plane is disabled. We don't actually have - * anything driver-specific we need to test in that case, so - * just return success. - */ - if (!intel_state->base.crtc && !plane->state->crtc) - return 0; - - /* Clip all planes to CRTC size, or 0x0 if CRTC is disabled */ - intel_state->clip.x1 = 0; - intel_state->clip.y1 = 0; - intel_state->clip.x2 = - crtc_state->base.enable ? crtc_state->pipe_src_w : 0; - intel_state->clip.y2 = - crtc_state->base.enable ? crtc_state->pipe_src_h : 0; - - if (state->fb && drm_rotation_90_or_270(state->rotation)) { - struct drm_format_name_buf format_name; - - 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; - } - - /* - * 90/270 is not allowed with RGB64 16:16:16:16, - * RGB 16-bit 5:6:5, and Indexed 8-bit. - * TBD: Add RGB64 case once its added in supported format list. - */ - switch (state->fb->format->format) { - case DRM_FORMAT_C8: - case DRM_FORMAT_RGB565: - DRM_DEBUG_KMS("Unsupported pixel format %s for 90/270!\n", - drm_get_format_name(state->fb->format->format, - &format_name)); - return -EINVAL; - - default: - break; - } - } - - /* CHV ignores the mirror bit when the rotate bit is set :( */ - if (IS_CHERRYVIEW(dev_priv) && - state->rotation & DRM_MODE_ROTATE_180 && - state->rotation & DRM_MODE_REFLECT_X) { - DRM_DEBUG_KMS("Cannot rotate and reflect at the same time\n"); - return -EINVAL; - } - - intel_state->base.visible = false; - ret = intel_plane->check_plane(intel_plane, crtc_state, intel_state); - if (ret) - return ret; - - /* FIXME pre-g4x don't work like this */ - if (intel_state->base.visible) - crtc_state->active_planes |= BIT(intel_plane->id); - else - crtc_state->active_planes &= ~BIT(intel_plane->id); - - return intel_plane_atomic_calc_changes(&crtc_state->base, state); -} - -static int intel_plane_atomic_check(struct drm_plane *plane, - struct drm_plane_state *state) -{ - struct drm_crtc *crtc = state->crtc; - struct drm_crtc_state *drm_crtc_state; - - crtc = crtc ? crtc : plane->state->crtc; - - /* - * Both crtc and plane->crtc could be NULL if we're updating a - * property while the plane is disabled. We don't actually have - * anything driver-specific we need to test in that case, so - * just return success. - */ - if (!crtc) - return 0; - - drm_crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc); - if (WARN_ON(!drm_crtc_state)) - return -EINVAL; - - return intel_plane_atomic_check_with_state(to_intel_crtc_state(drm_crtc_state), - to_intel_plane_state(state)); -} - -static void intel_plane_atomic_update(struct drm_plane *plane, - struct drm_plane_state *old_state) -{ - struct intel_plane *intel_plane = to_intel_plane(plane); - struct intel_plane_state *intel_state = - to_intel_plane_state(plane->state); - struct drm_crtc *crtc = plane->state->crtc ?: old_state->crtc; - - if (intel_state->base.visible) { - trace_intel_update_plane(plane, - to_intel_crtc(crtc)); - - intel_plane->update_plane(intel_plane, - to_intel_crtc_state(crtc->state), - intel_state); - } else { - trace_intel_disable_plane(plane, - to_intel_crtc(crtc)); - - intel_plane->disable_plane(intel_plane, to_intel_crtc(crtc)); - } -} - -const struct drm_plane_helper_funcs intel_plane_helper_funcs = { - .prepare_fb = intel_prepare_plane_fb, - .cleanup_fb = intel_cleanup_plane_fb, - .atomic_check = intel_plane_atomic_check, - .atomic_update = intel_plane_atomic_update, -}; - -/** - * intel_plane_atomic_get_property - fetch plane property value - * @plane: plane to fetch property for - * @state: state containing the property value - * @property: property to look up - * @val: pointer to write property value into - * - * The DRM core does not store shadow copies of properties for - * atomic-capable drivers. This entrypoint is used to fetch - * the current value of a driver-specific plane property. - */ -int -intel_plane_atomic_get_property(struct drm_plane *plane, - const struct drm_plane_state *state, - struct drm_property *property, - uint64_t *val) -{ - DRM_DEBUG_KMS("Unknown plane property '%s'\n", property->name); - return -EINVAL; -} - -/** - * intel_plane_atomic_set_property - set plane property value - * @plane: plane to set property for - * @state: state to update property value in - * @property: property to set - * @val: value to set property to - * - * Writes the specified property value for a plane into the provided atomic - * state object. - * - * Returns 0 on success, -EINVAL on unrecognized properties - */ -int -intel_plane_atomic_set_property(struct drm_plane *plane, - struct drm_plane_state *state, - struct drm_property *property, - uint64_t val) -{ - DRM_DEBUG_KMS("Unknown plane property '%s'\n", property->name); - return -EINVAL; -} |