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author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2016-01-05 18:11:39 +0100 |
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committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2016-04-14 09:17:26 +0200 |
commit | 79a3fc2d98111e371bd4c49e6f2de26ef8deb03f (patch) | |
tree | 136c83b824e6d36262dba062278b40bc5a01b52f /drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | |
parent | aab6d08c700ca4c9377e44c66debe89dc690a690 (diff) | |
download | op-kernel-dev-79a3fc2d98111e371bd4c49e6f2de26ef8deb03f.zip op-kernel-dev-79a3fc2d98111e371bd4c49e6f2de26ef8deb03f.tar.gz |
drm: atmel-hlcdc: support extended timing ranges on sama5d4 and sama5d2
The display timings on old SoCs older than the sama5d4 are quite limited
and prevent the use of many displays. Add support for extended timing
ranges on sama5d2 and sama5d4.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Tested-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c')
-rw-r--r-- | drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index 67b1391..eb6195c 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -50,6 +50,9 @@ static const struct atmel_hlcdc_dc_desc atmel_hlcdc_dc_at91sam9n12 = { .min_height = 0, .max_width = 1280, .max_height = 860, + .max_spw = 0x3f, + .max_vpw = 0x3f, + .max_hpw = 0xff, .nlayers = ARRAY_SIZE(atmel_hlcdc_at91sam9n12_layers), .layers = atmel_hlcdc_at91sam9n12_layers, }; @@ -134,6 +137,9 @@ static const struct atmel_hlcdc_dc_desc atmel_hlcdc_dc_at91sam9x5 = { .min_height = 0, .max_width = 800, .max_height = 600, + .max_spw = 0x3f, + .max_vpw = 0x3f, + .max_hpw = 0xff, .nlayers = ARRAY_SIZE(atmel_hlcdc_at91sam9x5_layers), .layers = atmel_hlcdc_at91sam9x5_layers, }; @@ -237,6 +243,9 @@ static const struct atmel_hlcdc_dc_desc atmel_hlcdc_dc_sama5d3 = { .min_height = 0, .max_width = 2048, .max_height = 2048, + .max_spw = 0x3f, + .max_vpw = 0x3f, + .max_hpw = 0x1ff, .nlayers = ARRAY_SIZE(atmel_hlcdc_sama5d3_layers), .layers = atmel_hlcdc_sama5d3_layers, }; @@ -320,6 +329,9 @@ static const struct atmel_hlcdc_dc_desc atmel_hlcdc_dc_sama5d4 = { .min_height = 0, .max_width = 2048, .max_height = 2048, + .max_spw = 0xff, + .max_vpw = 0xff, + .max_hpw = 0x3ff, .nlayers = ARRAY_SIZE(atmel_hlcdc_sama5d4_layers), .layers = atmel_hlcdc_sama5d4_layers, }; @@ -358,19 +370,19 @@ int atmel_hlcdc_dc_mode_valid(struct atmel_hlcdc_dc *dc, int hback_porch = mode->htotal - mode->hsync_end; int hsync_len = mode->hsync_end - mode->hsync_start; - if (hsync_len > 0x40 || hsync_len < 1) + if (hsync_len > dc->desc->max_spw + 1 || hsync_len < 1) return MODE_HSYNC; - if (vsync_len > 0x40 || vsync_len < 1) + if (vsync_len > dc->desc->max_spw + 1 || vsync_len < 1) return MODE_VSYNC; - if (hfront_porch > 0x200 || hfront_porch < 1 || - hback_porch > 0x200 || hback_porch < 1 || + if (hfront_porch > dc->desc->max_hpw + 1 || hfront_porch < 1 || + hback_porch > dc->desc->max_hpw + 1 || hback_porch < 1 || mode->hdisplay < 1) return MODE_H_ILLEGAL; - if (vfront_porch > 0x40 || vfront_porch < 1 || - vback_porch > 0x40 || vback_porch < 0 || + if (vfront_porch > dc->desc->max_vpw + 1 || vfront_porch < 1 || + vback_porch > dc->desc->max_vpw || vback_porch < 0 || mode->vdisplay < 1) return MODE_V_ILLEGAL; |