diff options
| author | Manikandan Muralidharan <manikandan.m@microchip.com> | 2024-04-24 08:33:49 +0300 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2024-05-30 16:47:02 +0300 |
| commit | 391acbc6899791a963716e7be4ffe5e682bd7acf (patch) | |
| tree | 23ee6aa2aa4e03081e3cac948e840a0630d9ee0e /drivers/gpu/drm/atmel-hlcdc | |
| parent | 0af86604e34188e1a7263dac739f2b8faa6e892c (diff) | |
| download | linux-391acbc6899791a963716e7be4ffe5e682bd7acf.tar.xz | |
drm: atmel-hlcdc: add vertical and horizontal scaling support for XLCDC
Update the vertical and horizontal scaler registers of XLCDC IP
with Bilinear and Bicubic co-efficients taps for Chroma and
Luma componenets of the Pixel.
Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240424053351.589830-7-manikandan.m@microchip.com
Diffstat (limited to 'drivers/gpu/drm/atmel-hlcdc')
| -rw-r--r-- | drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 20 |
2 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h index 1153d402f810..e1a0bb24b511 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h @@ -198,6 +198,8 @@ * @disc_pos: discard area position register * @disc_size: discard area size register * @csc: color space conversion register + * @vxs_config: vertical scalar filter taps control register + * @hxs_config: horizontal scalar filter taps control register */ struct atmel_hlcdc_layer_cfg_layout { int xstride[ATMEL_HLCDC_LAYER_MAX_PLANES]; @@ -217,6 +219,8 @@ struct atmel_hlcdc_layer_cfg_layout { int disc_pos; int disc_size; int csc; + int vxs_config; + int hxs_config; }; /** diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c index f60367dc6d9d..4a7ba0918eca 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c @@ -966,6 +966,26 @@ static void atmel_xlcdc_csc_init(struct atmel_hlcdc_plane *plane, desc->layout.csc + i, xlcdc_csc_coeffs[i]); } + + if (desc->layout.vxs_config && desc->layout.hxs_config) { + /* + * Updating vxs.config and hxs.config fixes the + * Green Color Issue in SAM9X7 EGT Video Player App + */ + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.vxs_config, + ATMEL_XLCDC_LAYER_VXSYCFG_ONE | + ATMEL_XLCDC_LAYER_VXSYTAP2_ENABLE | + ATMEL_XLCDC_LAYER_VXSCCFG_ONE | + ATMEL_XLCDC_LAYER_VXSCTAP2_ENABLE); + + atmel_hlcdc_layer_write_cfg(&plane->layer, + desc->layout.hxs_config, + ATMEL_XLCDC_LAYER_HXSYCFG_ONE | + ATMEL_XLCDC_LAYER_HXSYTAP2_ENABLE | + ATMEL_XLCDC_LAYER_HXSCCFG_ONE | + ATMEL_XLCDC_LAYER_HXSCTAP2_ENABLE); + } } static int atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane) |