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drm: atmel-hlcdc: avoid initializing cfg with zero 

Remove cfg initialization with zero and read state with
drm_crtc_state_to_atmel_hlcdc_crtc_state() so that cfg to be initialized
with state's output_mode.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1556195748-11106-3-git-send-email-claudiu.beznea@microchip.com
This commit is contained in:
Claudiu Beznea 2019-04-25 12:36:16 +00:00 committed by Sam Ravnborg
parent a6eca2abdd
commit e1dc68a4b1
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
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@ -138,7 +138,8 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c)
regmap_update_bits(regmap, ATMEL_HLCDC_CFG(0), mask, cfg);
cfg = 0;
state = drm_crtc_state_to_atmel_hlcdc_crtc_state(c->state);
cfg = state->output_mode << 8;
if (adj->flags & DRM_MODE_FLAG_NVSYNC)
cfg |= ATMEL_HLCDC_VSPOL;
@ -146,9 +147,6 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c)
if (adj->flags & DRM_MODE_FLAG_NHSYNC)
cfg |= ATMEL_HLCDC_HSPOL;
state = drm_crtc_state_to_atmel_hlcdc_crtc_state(c->state);
cfg |= state->output_mode << 8;
regmap_update_bits(regmap, ATMEL_HLCDC_CFG(5),
ATMEL_HLCDC_HSPOL | ATMEL_HLCDC_VSPOL |
ATMEL_HLCDC_VSPDLYS | ATMEL_HLCDC_VSPDLYE |