#include "i915_trace.h"
#include <drm/drm_dp_helper.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_plane_helper.h>
+#include <drm/drm_rect.h>
#include <linux/dma_remapping.h>
+/* Primary plane formats supported by all gen */
+#define COMMON_PRIMARY_FORMATS \
+ DRM_FORMAT_C8, \
+ DRM_FORMAT_RGB565, \
+ DRM_FORMAT_XRGB8888, \
+ DRM_FORMAT_ARGB8888
+
+/* Primary plane formats for gen <= 3 */
+static const uint32_t intel_primary_formats_gen2[] = {
+ COMMON_PRIMARY_FORMATS,
+ DRM_FORMAT_XRGB1555,
+ DRM_FORMAT_ARGB1555,
+};
+
+/* Primary plane formats for gen >= 4 */
+static const uint32_t intel_primary_formats_gen4[] = {
+ COMMON_PRIMARY_FORMATS, \
+ DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_ABGR8888,
+ DRM_FORMAT_XRGB2101010,
+ DRM_FORMAT_ARGB2101010,
+ DRM_FORMAT_XBGR2101010,
+ DRM_FORMAT_ABGR2101010,
+};
+
#define DIV_ROUND_CLOSEST_ULL(ll, d) \
- ({ unsigned long long _tmp = (ll)+(d)/2; do_div(_tmp, d); _tmp; })
+({ unsigned long long _tmp = (ll)+(d)/2; do_div(_tmp, d); _tmp; })
static void intel_increase_pllclock(struct drm_crtc *crtc);
static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on);
BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS);
}
+static int
+intel_primary_plane_disable(struct drm_plane *plane)
+{
+ struct drm_device *dev = plane->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_plane *intel_plane = to_intel_plane(plane);
+ struct intel_crtc *intel_crtc;
+
+ if (!plane->fb)
+ return 0;
+
+ BUG_ON(!plane->crtc);
+
+ intel_crtc = to_intel_crtc(plane->crtc);
+
+ /*
+ * Even though we checked plane->fb above, it's still possible that
+ * the primary plane has been implicitly disabled because the crtc
+ * coordinates given weren't visible, or because we detected
+ * that it was 100% covered by a sprite plane. Or, the CRTC may be
+ * off and we've set a fb, but haven't actually turned on the CRTC yet.
+ * In either case, we need to unpin the FB and let the fb pointer get
+ * updated, but otherwise we don't need to touch the hardware.
+ */
+ if (!intel_crtc->primary_enabled)
+ goto disable_unpin;
+
+ intel_crtc_wait_for_pending_flips(plane->crtc);
+ intel_disable_primary_hw_plane(dev_priv, intel_plane->plane,
+ intel_plane->pipe);
+
+disable_unpin:
+ intel_unpin_fb_obj(to_intel_framebuffer(plane->fb)->obj);
+ plane->fb = NULL;
+
+ return 0;
+}
+
+static int
+intel_primary_plane_setplane(struct drm_plane *plane, struct drm_crtc *crtc,
+ struct drm_framebuffer *fb, int crtc_x, int crtc_y,
+ unsigned int crtc_w, unsigned int crtc_h,
+ uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_plane *intel_plane = to_intel_plane(plane);
+ struct drm_rect dest = {
+ /* integer pixels */
+ .x1 = crtc_x,
+ .y1 = crtc_y,
+ .x2 = crtc_x + crtc_w,
+ .y2 = crtc_y + crtc_h,
+ };
+ struct drm_rect src = {
+ /* 16.16 fixed point */
+ .x1 = src_x,
+ .y1 = src_y,
+ .x2 = src_x + src_w,
+ .y2 = src_y + src_h,
+ };
+ const struct drm_rect clip = {
+ /* integer pixels */
+ .x2 = intel_crtc->active ? intel_crtc->config.pipe_src_w : 0,
+ .y2 = intel_crtc->active ? intel_crtc->config.pipe_src_h : 0,
+ };
+ bool visible;
+ int ret;
+
+ ret = drm_plane_helper_check_update(plane, crtc, fb,
+ &src, &dest, &clip,
+ DRM_PLANE_HELPER_NO_SCALING,
+ DRM_PLANE_HELPER_NO_SCALING,
+ false, true, &visible);
+
+ if (ret)
+ return ret;
+
+ /*
+ * If the CRTC isn't enabled, we're just pinning the framebuffer,
+ * updating the fb pointer, and returning without touching the
+ * hardware. This allows us to later do a drmModeSetCrtc with fb=-1 to
+ * turn on the display with all planes setup as desired.
+ */
+ if (!crtc->enabled) {
+ /*
+ * If we already called setplane while the crtc was disabled,
+ * we may have an fb pinned; unpin it.
+ */
+ if (plane->fb)
+ intel_unpin_fb_obj(to_intel_framebuffer(plane->fb)->obj);
+
+ /* Pin and return without programming hardware */
+ return intel_pin_and_fence_fb_obj(dev,
+ to_intel_framebuffer(fb)->obj,
+ NULL);
+ }
+
+ intel_crtc_wait_for_pending_flips(crtc);
+
+ /*
+ * If clipping results in a non-visible primary plane, we'll disable
+ * the primary plane. Note that this is a bit different than what
+ * happens if userspace explicitly disables the plane by passing fb=0
+ * because plane->fb still gets set and pinned.
+ */
+ if (!visible) {
+ /*
+ * Try to pin the new fb first so that we can bail out if we
+ * fail.
+ */
+ if (plane->fb != fb) {
+ ret = intel_pin_and_fence_fb_obj(dev,
+ to_intel_framebuffer(fb)->obj,
+ NULL);
+ if (ret)
+ return ret;
+ }
+
+ if (intel_crtc->primary_enabled)
+ intel_disable_primary_hw_plane(dev_priv,
+ intel_plane->plane,
+ intel_plane->pipe);
+
+
+ if (plane->fb != fb)
+ if (plane->fb)
+ intel_unpin_fb_obj(to_intel_framebuffer(plane->fb)->obj);
+
+ return 0;
+ }
+
+ ret = intel_pipe_set_base(crtc, src.x1, src.y1, fb);
+ if (ret)
+ return ret;
+
+ if (!intel_crtc->primary_enabled)
+ intel_enable_primary_hw_plane(dev_priv, intel_crtc->plane,
+ intel_crtc->pipe);
+
+ return 0;
+}
+
+static void intel_primary_plane_destroy(struct drm_plane *plane)
+{
+ struct intel_plane *intel_plane = to_intel_plane(plane);
+ drm_plane_cleanup(plane);
+ kfree(intel_plane);
+}
+
+static const struct drm_plane_funcs intel_primary_plane_funcs = {
+ .update_plane = intel_primary_plane_setplane,
+ .disable_plane = intel_primary_plane_disable,
+ .destroy = intel_primary_plane_destroy,
+};
+
+static struct drm_plane *intel_primary_plane_create(struct drm_device *dev,
+ int pipe)
+{
+ struct intel_plane *primary;
+ const uint32_t *intel_primary_formats;
+ int num_formats;
+
+ primary = kzalloc(sizeof(*primary), GFP_KERNEL);
+ if (primary == NULL)
+ return NULL;
+
+ primary->can_scale = false;
+ primary->max_downscale = 1;
+ primary->pipe = pipe;
+ primary->plane = pipe;
+ if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4)
+ primary->plane = !pipe;
+
+ if (INTEL_INFO(dev)->gen <= 3) {
+ intel_primary_formats = intel_primary_formats_gen2;
+ num_formats = ARRAY_SIZE(intel_primary_formats_gen2);
+ } else {
+ intel_primary_formats = intel_primary_formats_gen4;
+ num_formats = ARRAY_SIZE(intel_primary_formats_gen4);
+ }
+
+ drm_universal_plane_init(dev, &primary->base, 0,
+ &intel_primary_plane_funcs,
+ intel_primary_formats, num_formats,
+ DRM_PLANE_TYPE_PRIMARY);
+ return &primary->base;
+}
+
static void intel_crtc_init(struct drm_device *dev, int pipe)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc;
- int i;
+ struct drm_plane *primary;
+ int i, ret;
intel_crtc = kzalloc(sizeof(*intel_crtc), GFP_KERNEL);
if (intel_crtc == NULL)
return;
- drm_crtc_init(dev, &intel_crtc->base, &intel_crtc_funcs);
+ primary = intel_primary_plane_create(dev, pipe);
+ ret = drm_crtc_init_with_planes(dev, &intel_crtc->base, primary,
+ NULL, &intel_crtc_funcs);
+ if (ret) {
+ drm_plane_cleanup(primary);
+ kfree(intel_crtc);
+ return;
+ }
drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256);
for (i = 0; i < 256; i++) {
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