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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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3a36e186ba
None of these exported symbols are used outside of the drm-sti driver, so there is no reason to export them. Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Vincent Abriou <vincent.abriou@st.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Vincent Abriou <vincent.abriou@st.com>
120 lines
2.9 KiB
C
120 lines
2.9 KiB
C
/*
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* Copyright (C) STMicroelectronics SA 2014
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* Authors: Benjamin Gaignard <benjamin.gaignard@st.com>
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* Fabien Dessenne <fabien.dessenne@st.com>
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* for STMicroelectronics.
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* License terms: GNU General Public License (GPL), version 2
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*/
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#include <drm/drmP.h>
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#include <drm/drm_fb_cma_helper.h>
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#include <drm/drm_gem_cma_helper.h>
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#include "sti_compositor.h"
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#include "sti_drv.h"
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#include "sti_plane.h"
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/* (Background) < GDP0 < GDP1 < HQVDP0 < GDP2 < GDP3 < (ForeGround) */
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enum sti_plane_desc sti_plane_default_zorder[] = {
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STI_GDP_0,
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STI_GDP_1,
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STI_HQVDP_0,
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STI_GDP_2,
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STI_GDP_3,
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};
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const char *sti_plane_to_str(struct sti_plane *plane)
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{
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switch (plane->desc) {
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case STI_GDP_0:
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return "GDP0";
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case STI_GDP_1:
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return "GDP1";
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case STI_GDP_2:
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return "GDP2";
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case STI_GDP_3:
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return "GDP3";
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case STI_HQVDP_0:
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return "HQVDP0";
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case STI_CURSOR:
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return "CURSOR";
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default:
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return "<UNKNOWN PLANE>";
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}
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}
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static void sti_plane_destroy(struct drm_plane *drm_plane)
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{
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DRM_DEBUG_DRIVER("\n");
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drm_plane_helper_disable(drm_plane);
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drm_plane_cleanup(drm_plane);
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}
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static int sti_plane_set_property(struct drm_plane *drm_plane,
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struct drm_property *property,
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uint64_t val)
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{
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struct drm_device *dev = drm_plane->dev;
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struct sti_private *private = dev->dev_private;
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struct sti_plane *plane = to_sti_plane(drm_plane);
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DRM_DEBUG_DRIVER("\n");
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if (property == private->plane_zorder_property) {
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plane->zorder = val;
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return 0;
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}
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return -EINVAL;
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}
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static void sti_plane_attach_zorder_property(struct drm_plane *drm_plane)
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{
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struct drm_device *dev = drm_plane->dev;
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struct sti_private *private = dev->dev_private;
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struct sti_plane *plane = to_sti_plane(drm_plane);
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struct drm_property *prop;
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prop = private->plane_zorder_property;
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if (!prop) {
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prop = drm_property_create_range(dev, 0, "zpos", 1,
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GAM_MIXER_NB_DEPTH_LEVEL);
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if (!prop)
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return;
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private->plane_zorder_property = prop;
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}
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drm_object_attach_property(&drm_plane->base, prop, plane->zorder);
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}
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void sti_plane_init_property(struct sti_plane *plane,
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enum drm_plane_type type)
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(sti_plane_default_zorder); i++)
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if (sti_plane_default_zorder[i] == plane->desc)
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break;
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plane->zorder = i + 1;
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if (type == DRM_PLANE_TYPE_OVERLAY)
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sti_plane_attach_zorder_property(&plane->drm_plane);
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DRM_DEBUG_DRIVER("drm plane:%d mapped to %s with zorder:%d\n",
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plane->drm_plane.base.id,
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sti_plane_to_str(plane), plane->zorder);
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}
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struct drm_plane_funcs sti_plane_helpers_funcs = {
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.update_plane = drm_atomic_helper_update_plane,
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.disable_plane = drm_atomic_helper_disable_plane,
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.destroy = sti_plane_destroy,
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.set_property = sti_plane_set_property,
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.reset = drm_atomic_helper_plane_reset,
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.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
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.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
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};
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