Commit 5908a3bd authored by Eugeniy Paltsev's avatar Eugeniy Paltsev Committed by Alexey Brodkin
Browse files

DRM: ARC: PGU: replace unsupported by HW RGB888 format by XRGB888 



ARC PGU doesn't support RGB888 (24 bit) format but supports
XRGB888 (32 bit) format. Fix incorrect format list in a driver.

Signed-off-by: default avatarEugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: default avatarAlexey Brodkin <abrodkin@synopsys.com>
parent 491b14b9

drivers/gpu/drm/arc/arcpgu_crtc.c

+3 −3
Original line number Diff line number Diff line
@@ -22,7 +22,7 @@ 


static const u32 arc_pgu_supported_formats[] = {

	DRM_FORMAT_RGB565,

	DRM_FORMAT_RGB888,

	DRM_FORMAT_XRGB8888,

};



static void arc_pgu_set_pxl_fmt(struct drm_crtc *crtc)
@@ -44,9 +44,9 @@ static void arc_pgu_set_pxl_fmt(struct drm_crtc *crtc) 


	reg_ctrl = arc_pgu_read(arcpgu, ARCPGU_REG_CTRL);

	if (format == DRM_FORMAT_RGB565)

		reg_ctrl &= ~ARCPGU_MODE_RGB888_MASK;

		reg_ctrl &= ~ARCPGU_MODE_XRGB8888;

	else

		reg_ctrl |= ARCPGU_MODE_RGB888_MASK;

		reg_ctrl |= ARCPGU_MODE_XRGB8888;

	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, reg_ctrl);

}

drivers/gpu/drm/arc/arcpgu_regs.h

+1 −1
Original line number Diff line number Diff line
@@ -25,7 +25,7 @@ 
#define ARCPGU_CTRL_VS_POL_OFST	0x3

#define ARCPGU_CTRL_HS_POL_MASK	0x1

#define ARCPGU_CTRL_HS_POL_OFST	0x4

#define ARCPGU_MODE_RGB888_MASK	0x04

#define ARCPGU_MODE_XRGB8888	BIT(2)

#define ARCPGU_STAT_BUSY_MASK	0x02



#endif

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