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authorClaudiu Beznea <claudiu.beznea@microchip.com>2019-04-25 15:36:16 +0300
committerSam Ravnborg <sam@ravnborg.org>2019-06-05 00:33:02 +0300
commite1dc68a4b149d47536cd001d0d0abadbb62d37bd (patch)
tree9e17b8faf0d67ded472770200e439c4c83c17bf3 /drivers/gpu/drm/atmel-hlcdc
parenta6eca2abdd4297ec635e8f7a573ef070be2824d7 (diff)
downloadlinux-e1dc68a4b149d47536cd001d0d0abadbb62d37bd.tar.xz
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
Diffstat (limited to 'drivers/gpu/drm/atmel-hlcdc')
-rw-r--r--drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
index 957e6d2fb00f..81c50772df05 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
@@ -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 |