[PATCH 3/7] drm/i915: preparations for enabling P010, P012, P016 formats

swati2.sharma
2019-02-08T13:47:21Z

From: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>

Preparations for enabling P010, P012 and P016 formats. These
formats will extend NV12 for larger bit depths.

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
---
drivers/gpu/drm/i915/intel_atomic_plane.c | 2 +-
drivers/gpu/drm/i915/intel_display.c | 27 +++++++++++++++++++++------
drivers/gpu/drm/i915/intel_drv.h | 1 +
drivers/gpu/drm/i915/intel_pm.c | 14 +++++++-------
drivers/gpu/drm/i915/intel_sprite.c | 22 +++++++++++++++++++---
5 files changed, 49 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c
index db09659..dd6c096 100644
--- a/drivers/gpu/drm/i915/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
@@ -135,7 +135,7 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_
new_crtc_state->active_planes |= BIT(plane->id);

if (new_plane_state->base.visible &&
- new_plane_state->base.fb->format->format == DRM_FORMAT_NV12)
+ is_planar_yuv_format(new_plane_state->base.fb->format->format))
new_crtc_state->nv12_planes |= BIT(plane->id);

if (new_plane_state->base.visible || old_plane_state->base.visible)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ccb6163..0345d04 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2677,6 +2677,12 @@ int skl_format_to_fourcc(int format, bool rgb_order, bool alpha)
return DRM_FORMAT_RGB565;
case PLANE_CTL_FORMAT_NV12:
return DRM_FORMAT_NV12;
+ case PLANE_CTL_FORMAT_P010:
+ return DRM_FORMAT_P010;
+ case PLANE_CTL_FORMAT_P012:
+ return DRM_FORMAT_P012;
+ case PLANE_CTL_FORMAT_P016:
+ return DRM_FORMAT_P016;
default:
case PLANE_CTL_FORMAT_XRGB_8888:
if (rgb_order) {
@@ -3176,7 +3182,7 @@ int skl_check_plane_surface(struct intel_plane_state *plane_state)
* Handle the AUX surface first since
* the main surface setup depends on it.
*/
- if (fb->format->format == DRM_FORMAT_NV12) {
+ if (is_planar_yuv_format(fb->format->format)) {
ret = skl_check_nv12_aux_surface(plane_state);
if (ret)
return ret;
@@ -3600,6 +3606,12 @@ static u32 skl_plane_ctl_format(u32 pixel_format)
return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY;
case DRM_FORMAT_NV12:
return PLANE_CTL_FORMAT_NV12;
+ case DRM_FORMAT_P010:
+ return PLANE_CTL_FORMAT_P010;
+ case DRM_FORMAT_P012:
+ return PLANE_CTL_FORMAT_P012;
+ case DRM_FORMAT_P016:
+ return PLANE_CTL_FORMAT_P016;
default:
MISSING_CASE(pixel_format);
}
@@ -5036,9 +5048,9 @@ u16 skl_scaler_calc_phase(int sub, int scale, bool chroma_cosited)
return 0;
}

- if (format && format->format == DRM_FORMAT_NV12 &&
+ if (format && is_planar_yuv_format(format->format) &&
(src_h < SKL_MIN_YUV_420_SRC_H || src_w < SKL_MIN_YUV_420_SRC_W)) {
- DRM_DEBUG_KMS("NV12: src dimensions not met\n");
+ DRM_DEBUG_KMS("Planar YUV: src dimensions not met\n");
return -EINVAL;
}

@@ -5112,7 +5124,7 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,

/* Pre-gen11 and SDR planes always need a scaler for planar formats. */
if (!icl_is_hdr_plane(intel_plane) &&
- fb && fb->format->format == DRM_FORMAT_NV12)
+ fb && is_planar_yuv_format(fb->format->format))
need_scaler = true;

ret = skl_update_scaler(crtc_state, force_detach,
@@ -5149,6 +5161,9 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_NV12:
+ case DRM_FORMAT_P010:
+ case DRM_FORMAT_P012:
+ case DRM_FORMAT_P016:
break;
default:
DRM_DEBUG_KMS("[PLANE:%d:%s] FB:%d unsupported scaling format 0x%x\n",
@@ -11134,7 +11149,7 @@ static int icl_check_nv12_planes(struct intel_crtc_state *crtc_state)
}

if (!linked_state) {
- DRM_DEBUG_KMS("Need %d free Y planes for NV12\n",
+ DRM_DEBUG_KMS("Need %d free Y planes for planar YUV\n",
hweight8(crtc_state->nv12_planes));

return -EINVAL;
@@ -13767,7 +13782,7 @@ static void fb_obj_bump_render_priority(struct drm_i915_gem_object *obj)
* or
* cdclk/crtc_clock
*/
- mult = pixel_format == DRM_FORMAT_NV12 ? 2 : 3;
+ mult = is_planar_yuv_format(pixel_format) ? 2 : 3;
tmpclk1 = (1 << 16) * mult - 1;
tmpclk2 = (1 << 8) * ((max_dotclk << 8) / crtc_clock);
max_scale = min(tmpclk1, tmpclk2);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 4ba01a9..8a6cd9c 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -2300,6 +2300,7 @@ bool intel_sdvo_init(struct drm_i915_private *dev_priv,

/* intel_sprite.c */
+bool is_planar_yuv_format(u32 pixelformat);
int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
int usecs);
struct intel_plane *intel_sprite_plane_create(struct drm_i915_private *dev_priv,
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 54307f1..14ac318 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3970,7 +3970,7 @@ static void skl_ddb_entry_init_from_hw(struct drm_i915_private *dev_priv,
val = I915_READ(PLANE_BUF_CFG(pipe, plane_id));
val2 = I915_READ(PLANE_NV12_BUF_CFG(pipe, plane_id));

- if (fourcc == DRM_FORMAT_NV12)
+ if (is_planar_yuv_format(fourcc))
swap(val, val2);

skl_ddb_entry_init_from_hw(dev_priv, ddb_y, val);
@@ -4180,7 +4180,7 @@ int skl_check_pipe_max_pixel_rate(struct intel_crtc *intel_crtc,

if (intel_plane->id == PLANE_CURSOR)
return 0;
- if (plane == 1 && format != DRM_FORMAT_NV12)
+ if (plane == 1 && !is_planar_yuv_format(format))
return 0;

/*
@@ -4192,7 +4192,7 @@ int skl_check_pipe_max_pixel_rate(struct intel_crtc *intel_crtc,
height = drm_rect_height(&intel_pstate->base.src) >> 16;

/* UV plane does 1/2 pixel sub-sampling */
- if (plane == 1 && format == DRM_FORMAT_NV12) {
+ if (plane == 1 && is_planar_yuv_format(format)) {
width /= 2;
height /= 2;
}
@@ -4578,9 +4578,9 @@ int skl_check_pipe_max_pixel_rate(struct intel_crtc *intel_crtc,
const struct drm_framebuffer *fb = pstate->fb;
u32 interm_pbpl;

- /* only NV12 format has two planes */
- if (color_plane == 1 && fb->format->format != DRM_FORMAT_NV12) {
- DRM_DEBUG_KMS("Non NV12 format have single plane\n");
+ /* only planar format has two planes */
+ if (color_plane == 1 && !is_planar_yuv_format(fb->format->format)) {
+ DRM_DEBUG_KMS("Non planar format have single plane\n");
return -EINVAL;
}

@@ -4591,7 +4591,7 @@ int skl_check_pipe_max_pixel_rate(struct intel_crtc *intel_crtc,
wp->x_tiled = fb->modifier == I915_FORMAT_MOD_X_TILED;
wp->rc_surface = fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS;
- wp->is_planar = fb->format->format == DRM_FORMAT_NV12;
+ wp->is_planar = is_planar_yuv_format(fb->format->format);

if (plane->id == PLANE_CURSOR) {
wp->width = intel_pstate->base.crtc_w;
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index b56a1a9..d4e436a 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -41,6 +41,19 @@
#include "i915_drv.h"
#include <drm/drm_color_mgmt.h>

+bool is_planar_yuv_format(u32 pixelformat)
+{
+ switch (pixelformat) {
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_P010:
+ case DRM_FORMAT_P012:
+ case DRM_FORMAT_P016:
+ return true;
+ default:
+ return false;
+ }
+}
+
int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
int usecs)
{
@@ -335,7 +348,7 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state)
0, INT_MAX);

/* TODO: handle sub-pixel coordinates */
- if (plane_state->base.fb->format->format == DRM_FORMAT_NV12 &&
+ if (is_planar_yuv_format(plane_state->base.fb->format->format) &&
!icl_is_hdr_plane(plane)) {
y_hphase = skl_scaler_calc_phase(1, hscale, false);
y_vphase = skl_scaler_calc_phase(1, vscale, false);
@@ -1551,10 +1564,10 @@ static int skl_plane_check_nv12_rotation(const struct intel_plane_state *plane_s
int src_w = drm_rect_width(&plane_state->base.src) >> 16;

/* Display WA #1106 */
- if (fb->format->format == DRM_FORMAT_NV12 && src_w & 3 &&
+ if (is_planar_yuv_format(fb->format->format) && src_w & 3 &&
(rotation == DRM_MODE_ROTATE_270 ||
rotation == (DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_90))) {
- DRM_DEBUG_KMS("src width must be multiple of 4 for rotated NV12\n");
+ DRM_DEBUG_KMS("src width must be multiple of 4 for rotated planar YUV\n");
return -EINVAL;
}

@@ -1945,6 +1958,9 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_NV12:
+ case DRM_FORMAT_P010:
+ case DRM_FORMAT_P012:
+ case DRM_FORMAT_P016:
if (modifier == I915_FORMAT_MOD_Yf_TILED)
return true;
/* fall through */