On 12/10/2021 09:21, Tomi Valkeinen wrote:
> Hi,
>
> On 23/09/2021 10:06, Neil Armstrong wrote:
>> From: Benoit Parrot
>>
>> We currently assume that an overlay has the same maximum width and
>> maximum height as the overlay manager. This assumption is incorrect. On
>> some variants the overlay manager maximum width is twice the maximum
>> width that the overlay can handle. We need to add the appropriate data
>> per variant as well as export a helper function to retrieve the data so
>> check can be made dynamically in omap_plane_atomic_check().
>>
>> Signed-off-by: Benoit Parrot
>> Signed-off-by: Neil Armstrong
>> ---
>> drivers/gpu/drm/omapdrm/dss/dispc.c | 22 ++
>> drivers/gpu/drm/omapdrm/dss/dss.h | 2 ++
>> drivers/gpu/drm/omapdrm/omap_plane.c | 14 ++
>> 3 files changed, 38 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c
>> b/drivers/gpu/drm/omapdrm/dss/dispc.c
>> index 3c4a4991e45a..bdecec8f4d88 100644
>> --- a/drivers/gpu/drm/omapdrm/dss/dispc.c
>> +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
>> @@ -92,6 +92,8 @@ struct dispc_features {
>> u8 mgr_height_start;
>> u16 mgr_width_max;
>> u16 mgr_height_max;
>> + u16 ovl_width_max;
>> + u16 ovl_height_max;
>> unsigned long max_lcd_pclk;
>> unsigned long max_tv_pclk;
>> unsigned int max_downscale;
>> @@ -2599,6 +2601,12 @@ static int dispc_ovl_calc_scaling(struct dispc_device
>> *dispc,
>> return 0;
>> }
>> +void dispc_ovl_get_max_size(struct dispc_device *dispc, u16 *width, u16
>> *height)
>> +{
>> + *width = dispc->feat->ovl_width_max;
>> + *height = dispc->feat->ovl_height_max;
>> +}
>> +
>> static int dispc_ovl_setup_common(struct dispc_device *dispc,
>> enum omap_plane_id plane,
>> enum omap_overlay_caps caps,
>> @@ -4240,6 +4248,8 @@ static const struct dispc_features
>> omap24xx_dispc_feats = {
>> .mgr_height_start = 26,
>> .mgr_width_max = 2048,
>> .mgr_height_max = 2048,
>> + .ovl_width_max = 2048,
>> + .ovl_height_max = 2048,
>> .max_lcd_pclk = 6650,
>> .max_downscale = 2,
>> /*
>> @@ -4278,6 +4288,8 @@ static const struct dispc_features
>> omap34xx_rev1_0_dispc_feats = {
>> .mgr_height_start = 26,
>> .mgr_width_max = 2048,
>> .mgr_height_max = 2048,
>> + .ovl_width_max = 2048,
>> + .ovl_height_max = 2048,
>> .max_lcd_pclk = 17300,
>> .max_tv_pclk = 5900,
>> .max_downscale = 4,
>> @@ -4313,6 +4325,8 @@ static const struct dispc_features
>> omap34xx_rev3_0_dispc_feats = {
>> .mgr_height_start = 26,
>> .mgr_width_max = 2048,
>> .mgr_height_max = 2048,
>> + .ovl_width_max = 2048,
>> + .ovl_height_max = 2048,
>> .max_lcd_pclk = 17300,
>> .max_tv_pclk = 5900,
>> .max_downscale = 4,
>> @@ -4348,6 +4362,8 @@ static const struct dispc_features
>> omap36xx_dispc_feats = {
>> .mgr_height_start = 26,
>> .mgr_width_max = 2048,
>> .mgr_height_max = 2048,
>> + .ovl_width_max = 2048,
>> + .ovl_height_max = 2048,
>> .max_lcd_pclk = 17300,
>> .max_tv_pclk = 5900,
>> .max_downscale = 4,
>> @@ -4383,6 +4399,8 @@ static const struct dispc_features am43xx_dispc_feats
>> = {
>> .mgr_height_start = 26,
>> .mgr_width_max = 2048,
>> .mgr_height_max = 2048,
>> + .ovl_width_max = 2048,
>> + .ovl_height_max = 2048,
>> .max_lcd_pclk = 17300,
>> .max_tv_pclk = 5900,
>> .max_downscale = 4,
>> @@ -4418,6 +4436,8 @@ static const struct dispc_features
>> omap44xx_dispc_feats = {
>> .mgr_height_start = 26,
>> .mgr_width_max = 2048,
>> .mgr_height_max = 2048,
>> + .ovl_width_max = 2048,
>> + .ovl_height_max = 2048,
>> .max_lcd_pclk = 17000,
>> .max_tv_pclk = 185625000,
>> .max_downscale = 4,
>> @@ -4457,6 +4477,8 @@ static const struct dispc_features
>> omap54xx_dispc_feats = {
>> .mgr_height_start = 27,
>> .mgr_width_max = 4096,
>> .mgr_height_max = 4096,
>> + .ovl_width_max = 2048,
>> + .ovl_height_max = 4096,
>> .max_lcd_pclk = 17000,
>> .max_tv_pclk = 19200,
>> .max_downscale = 4,
>> diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h
>> b/drivers/gpu/drm/omapdrm/dss/dss.h
>> index a547527bb2f3..14c39f7c3988 100644
>> --- a/drivers/gpu/drm/omapdrm/dss/dss.h
>>