[PATCH v3 3/3] drm/i915/icl: Implement half float formats
Ville Syrjälä
ville.syrjala at linux.intel.com
Wed Feb 6 12:43:31 UTC 2019
On Tue, Feb 05, 2019 at 07:29:22PM -0800, Kevin Strasser wrote:
> 64 bpp half float formats are supported on hdr planes only and are subject
> to the following restrictions:
> * 90/270 rotation not supported
> * Yf Tiling not supported
> * Frame Buffer Compression not supported
> * Color Keying not supported
>
> v2:
> - Drop handling pixel normalize register
> - Don't use icl_is_hdr_plane too early
>
> v3:
> - Use refactored icl_is_hdr_plane (Ville)
> - Use u32 instead of uint32_t (Ville)
>
> Cc: Uma Shankar <uma.shankar at intel.com>
> Cc: Shashank Sharma <shashank.sharma at intel.com>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Cc: David Airlie <airlied at linux.ie>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Cc: dri-devel at lists.freedesktop.org
> Signed-off-by: Kevin Strasser <kevin.strasser at intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
> drivers/gpu/drm/i915/intel_display.c | 22 ++++++++++++
> drivers/gpu/drm/i915/intel_sprite.c | 67 ++++++++++++++++++++++++++++++++----
> 2 files changed, 83 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 2d9639d..1124502 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -2668,6 +2668,18 @@ 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_XRGB_16161616F:
> + if (rgb_order) {
> + if (alpha)
> + return DRM_FORMAT_ABGR16161616F;
> + else
> + return DRM_FORMAT_XBGR16161616F;
> + } else {
> + if (alpha)
> + return DRM_FORMAT_ARGB16161616F;
> + else
> + return DRM_FORMAT_XRGB16161616F;
> + }
> default:
> case PLANE_CTL_FORMAT_XRGB_8888:
> if (rgb_order) {
> @@ -3566,6 +3578,12 @@ 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_XBGR16161616F:
> + case DRM_FORMAT_ABGR16161616F:
> + return PLANE_CTL_FORMAT_XRGB_16161616F | PLANE_CTL_ORDER_RGBX;
> + case DRM_FORMAT_XRGB16161616F:
> + case DRM_FORMAT_ARGB16161616F:
> + return PLANE_CTL_FORMAT_XRGB_16161616F;
> default:
> MISSING_CASE(pixel_format);
> }
> @@ -5097,6 +5115,10 @@ 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_XBGR16161616F:
> + case DRM_FORMAT_ABGR16161616F:
> + case DRM_FORMAT_XRGB16161616F:
> + case DRM_FORMAT_ARGB16161616F:
> break;
> default:
> DRM_DEBUG_KMS("[PLANE:%d:%s] FB:%d unsupported scaling format 0x%x\n",
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 10b37e8..55ee677 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -1450,8 +1450,6 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
> /*
> * 90/270 is not allowed with RGB64 16:16:16:16 and
> * Indexed 8-bit. RGB 16-bit 5:6:5 is allowed gen11 onwards.
> - * TBD: Add RGB64 case once its added in supported format
> - * list.
> */
> switch (fb->format->format) {
> case DRM_FORMAT_RGB565:
> @@ -1459,6 +1457,10 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
> break;
> /* fall through */
> case DRM_FORMAT_C8:
> + case DRM_FORMAT_XRGB16161616F:
> + case DRM_FORMAT_XBGR16161616F:
> + case DRM_FORMAT_ARGB16161616F:
> + case DRM_FORMAT_ABGR16161616F:
> DRM_DEBUG_KMS("Unsupported pixel format %s for 90/270!\n",
> drm_get_format_name(fb->format->format,
> &format_name));
> @@ -1774,6 +1776,45 @@ static const u32 skl_planar_formats[] = {
> DRM_FORMAT_NV12,
> };
>
> +static const u32 icl_hdr_plane_formats[] = {
> + DRM_FORMAT_C8,
> + DRM_FORMAT_RGB565,
> + DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_XBGR8888,
> + DRM_FORMAT_ARGB8888,
> + DRM_FORMAT_ABGR8888,
> + DRM_FORMAT_XRGB2101010,
> + DRM_FORMAT_XBGR2101010,
> + DRM_FORMAT_XRGB16161616F,
> + DRM_FORMAT_XBGR16161616F,
> + DRM_FORMAT_ARGB16161616F,
> + DRM_FORMAT_ABGR16161616F,
> + DRM_FORMAT_YUYV,
> + DRM_FORMAT_YVYU,
> + DRM_FORMAT_UYVY,
> + DRM_FORMAT_VYUY,
> +};
> +
> +static const u32 icl_hdr_planar_formats[] = {
> + DRM_FORMAT_C8,
> + DRM_FORMAT_RGB565,
> + DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_XBGR8888,
> + DRM_FORMAT_ARGB8888,
> + DRM_FORMAT_ABGR8888,
> + DRM_FORMAT_XRGB2101010,
> + DRM_FORMAT_XBGR2101010,
> + DRM_FORMAT_XRGB16161616F,
> + DRM_FORMAT_XBGR16161616F,
> + DRM_FORMAT_ARGB16161616F,
> + DRM_FORMAT_ABGR16161616F,
> + DRM_FORMAT_YUYV,
> + DRM_FORMAT_YVYU,
> + DRM_FORMAT_UYVY,
> + DRM_FORMAT_VYUY,
> + DRM_FORMAT_NV12,
> +};
> +
> static const u64 skl_plane_format_modifiers_noccs[] = {
> I915_FORMAT_MOD_Yf_TILED,
> I915_FORMAT_MOD_Y_TILED,
> @@ -1917,6 +1958,10 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
> return true;
> /* fall through */
> case DRM_FORMAT_C8:
> + case DRM_FORMAT_XBGR16161616F:
> + case DRM_FORMAT_ABGR16161616F:
> + case DRM_FORMAT_XRGB16161616F:
> + case DRM_FORMAT_ARGB16161616F:
> if (modifier == DRM_FORMAT_MOD_LINEAR ||
> modifier == I915_FORMAT_MOD_X_TILED ||
> modifier == I915_FORMAT_MOD_Y_TILED)
> @@ -2053,11 +2098,21 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
> plane->update_slave = icl_update_slave;
>
> if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
> - formats = skl_planar_formats;
> - num_formats = ARRAY_SIZE(skl_planar_formats);
> + if (icl_is_hdr_plane(dev_priv, plane_id)) {
> + formats = icl_hdr_planar_formats;
> + num_formats = ARRAY_SIZE(icl_hdr_planar_formats);
> + } else {
> + formats = skl_planar_formats;
> + num_formats = ARRAY_SIZE(skl_planar_formats);
> + }
> } else {
> - formats = skl_plane_formats;
> - num_formats = ARRAY_SIZE(skl_plane_formats);
> + if (icl_is_hdr_plane(dev_priv, plane_id)) {
> + formats = icl_hdr_plane_formats;
> + num_formats = ARRAY_SIZE(icl_hdr_plane_formats);
> + } else {
> + formats = skl_plane_formats;
> + num_formats = ARRAY_SIZE(skl_plane_formats);
> + }
> }
>
> plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, plane_id);
> --
> 2.7.4
--
Ville Syrjälä
Intel
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