#define SPCONSTALPHA(pipe, plane) _PIPE(pipe * 2 + plane, _SPACONSTALPHA, _SPBCONSTALPHA)
#define SPGAMC(pipe, plane) _PIPE(pipe * 2 + plane, _SPAGAMC, _SPBGAMC)
+/*
+ * CHV pipe B sprite CSC
+ *
+ * |cr| |c0 c1 c2| |cr + cr_ioff| |cr_ooff|
+ * |yg| = |c3 c4 c5| x |yg + yg_ioff| + |yg_ooff|
+ * |cb| |c6 c7 c8| |cb + cr_ioff| |cb_ooff|
+ */
+#define SPCSCYGOFF(sprite) (VLV_DISPLAY_BASE + 0x6d900 + (sprite) * 0x1000)
+#define SPCSCCBOFF(sprite) (VLV_DISPLAY_BASE + 0x6d904 + (sprite) * 0x1000)
+#define SPCSCCROFF(sprite) (VLV_DISPLAY_BASE + 0x6d908 + (sprite) * 0x1000)
+#define SPCSC_OOFF(x) (((x) & 0x7ff) << 16) /* s11 */
+#define SPCSC_IOFF(x) (((x) & 0x7ff) << 0) /* s11 */
+
+#define SPCSCC01(sprite) (VLV_DISPLAY_BASE + 0x6d90c + (sprite) * 0x1000)
+#define SPCSCC23(sprite) (VLV_DISPLAY_BASE + 0x6d910 + (sprite) * 0x1000)
+#define SPCSCC45(sprite) (VLV_DISPLAY_BASE + 0x6d914 + (sprite) * 0x1000)
+#define SPCSCC67(sprite) (VLV_DISPLAY_BASE + 0x6d918 + (sprite) * 0x1000)
+#define SPCSCC8(sprite) (VLV_DISPLAY_BASE + 0x6d91c + (sprite) * 0x1000)
+#define SPCSC_C1(x) (((x) & 0x7fff) << 16) /* s3.12 */
+#define SPCSC_C0(x) (((x) & 0x7fff) << 0) /* s3.12 */
+
+#define SPCSCYGICLAMP(sprite) (VLV_DISPLAY_BASE + 0x6d920 + (sprite) * 0x1000)
+#define SPCSCCBICLAMP(sprite) (VLV_DISPLAY_BASE + 0x6d924 + (sprite) * 0x1000)
+#define SPCSCCRICLAMP(sprite) (VLV_DISPLAY_BASE + 0x6d928 + (sprite) * 0x1000)
+#define SPCSC_IMAX(x) (((x) & 0x7ff) << 16) /* s11 */
+#define SPCSC_IMIN(x) (((x) & 0x7ff) << 0) /* s11 */
+
+#define SPCSCYGOCLAMP(sprite) (VLV_DISPLAY_BASE + 0x6d92c + (sprite) * 0x1000)
+#define SPCSCCBOCLAMP(sprite) (VLV_DISPLAY_BASE + 0x6d930 + (sprite) * 0x1000)
+#define SPCSCCROCLAMP(sprite) (VLV_DISPLAY_BASE + 0x6d934 + (sprite) * 0x1000)
+#define SPCSC_OMAX(x) ((x) << 16) /* u10 */
+#define SPCSC_OMIN(x) ((x) << 0) /* u10 */
+
/* Skylake plane registers */
#define _PLANE_CTL_1_A 0x70180
#include <drm/i915_drm.h>
#include "i915_drv.h"
+static bool
+format_is_yuv(uint32_t format)
+{
+ switch (format) {
+ case DRM_FORMAT_YUYV:
+ case DRM_FORMAT_UYVY:
+ case DRM_FORMAT_VYUY:
+ case DRM_FORMAT_YVYU:
+ return true;
+ default:
+ return false;
+ }
+}
+
static int usecs_to_scanlines(const struct drm_display_mode *mode, int usecs)
{
/* paranoia */
}
static void
+chv_update_csc(struct intel_plane *intel_plane, uint32_t format)
+{
+ struct drm_i915_private *dev_priv = intel_plane->base.dev->dev_private;
+ int plane = intel_plane->plane;
+
+ /* Seems RGB data bypasses the CSC always */
+ if (!format_is_yuv(format))
+ return;
+
+ /*
+ * BT.601 limited range YCbCr -> full range RGB
+ *
+ * |r| | 6537 4769 0| |cr |
+ * |g| = |-3330 4769 -1605| x |y-64|
+ * |b| | 0 4769 8263| |cb |
+ *
+ * Cb and Cr apparently come in as signed already, so no
+ * need for any offset. For Y we need to remove the offset.
+ */
+ I915_WRITE(SPCSCYGOFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(-64));
+ I915_WRITE(SPCSCCBOFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(0));
+ I915_WRITE(SPCSCCROFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(0));
+
+ I915_WRITE(SPCSCC01(plane), SPCSC_C1(4769) | SPCSC_C0(6537));
+ I915_WRITE(SPCSCC23(plane), SPCSC_C1(-3330) | SPCSC_C0(0));
+ I915_WRITE(SPCSCC45(plane), SPCSC_C1(-1605) | SPCSC_C0(4769));
+ I915_WRITE(SPCSCC67(plane), SPCSC_C1(4769) | SPCSC_C0(0));
+ I915_WRITE(SPCSCC8(plane), SPCSC_C0(8263));
+
+ I915_WRITE(SPCSCYGICLAMP(plane), SPCSC_IMAX(940) | SPCSC_IMIN(64));
+ I915_WRITE(SPCSCCBICLAMP(plane), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
+ I915_WRITE(SPCSCCRICLAMP(plane), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
+
+ I915_WRITE(SPCSCYGOCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
+ I915_WRITE(SPCSCCBOCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
+ I915_WRITE(SPCSCCROCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
+}
+
+static void
vlv_update_plane(struct drm_plane *dplane, struct drm_crtc *crtc,
struct drm_framebuffer *fb,
struct drm_i915_gem_object *obj, int crtc_x, int crtc_y,
intel_update_primary_plane(intel_crtc);
+ if (IS_CHERRYVIEW(dev) && pipe == PIPE_B)
+ chv_update_csc(intel_plane, fb->pixel_format);
+
I915_WRITE(SPSTRIDE(pipe, plane), fb->pitches[0]);
I915_WRITE(SPPOS(pipe, plane), (crtc_y << 16) | crtc_x);
key->flags = I915_SET_COLORKEY_NONE;
}
-static bool
-format_is_yuv(uint32_t format)
-{
- switch (format) {
- case DRM_FORMAT_YUYV:
- case DRM_FORMAT_UYVY:
- case DRM_FORMAT_VYUY:
- case DRM_FORMAT_YVYU:
- return true;
- default:
- return false;
- }
-}
-
static bool colorkey_enabled(struct intel_plane *intel_plane)
{
struct drm_intel_sprite_colorkey key;