Commit 2cb6915d authored by Eric Bernstein's avatar Eric Bernstein Committed by Alex Deucher
Browse files

drm/amd/display: Use DTBCLK for valid pixel clock 



Use DTBCLK for valid pixel clock generation

Signed-off-by: default avatarEric Bernstein <eric.bernstein@amd.com>
Acked-by: default avatarJerry Zuo <jerry.zuo@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3dc35cf8

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dccg.c

+14 −6
Original line number Diff line number Diff line
@@ -42,12 +42,6 @@ 
#define DC_LOGGER \

	dccg->ctx->logger



enum pixel_rate_div {

	PIXEL_RATE_DIV_BY_1 = 0,

	PIXEL_RATE_DIV_BY_2 = 1,

	PIXEL_RATE_DIV_BY_4 = 3

};



static void dccg32_set_pixel_rate_div(

		struct dccg *dccg,

		uint32_t otg_inst,
@@ -183,6 +177,19 @@ void dccg32_set_dtbclk_dto( 
	}

}



void dccg32_set_valid_pixel_rate(

		struct dccg *dccg,

		int otg_inst,

		int pixclk_khz)

{

	struct dtbclk_dto_params dto_params = {0};



	dto_params.otg_inst = otg_inst;

	dto_params.pixclk_khz = pixclk_khz;



	dccg32_set_dtbclk_dto(dccg, &dto_params);

}



static void dccg32_get_dccg_ref_freq(struct dccg *dccg,

		unsigned int xtalin_freq_inKhz,

		unsigned int *dccg_ref_freq_inKhz)
@@ -260,6 +267,7 @@ static const struct dccg_funcs dccg32_funcs = { 
	.disable_symclk32_le = dccg31_disable_symclk32_le,

	.set_physymclk = dccg31_set_physymclk,

	.set_dtbclk_dto = dccg32_set_dtbclk_dto,

	.set_valid_pixel_rate = dccg32_set_valid_pixel_rate,

	.set_fifo_errdet_ovr_en = dccg2_set_fifo_errdet_ovr_en,

	.set_audio_dtbclk_dto = dccg31_set_audio_dtbclk_dto,

	.otg_add_pixel = dccg32_otg_add_pixel,

drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h

+17 −0
Original line number Diff line number Diff line
@@ -56,6 +56,12 @@ enum dentist_dispclk_change_mode { 
	DISPCLK_CHANGE_MODE_RAMPING,

};



enum pixel_rate_div {

   PIXEL_RATE_DIV_BY_1 = 0,

   PIXEL_RATE_DIV_BY_2 = 1,

   PIXEL_RATE_DIV_BY_4 = 3

};



struct dccg {

	struct dc_context *ctx;

	const struct dccg_funcs *funcs;
@@ -139,6 +145,17 @@ struct dccg_funcs { 
		struct dccg *dccg,

		int inst);



void (*set_pixel_rate_div)(

        struct dccg *dccg,

        uint32_t otg_inst,

        enum pixel_rate_div k1,

        enum pixel_rate_div k2);



void (*set_valid_pixel_rate)(

        struct dccg *dccg,

        int otg_inst,

        int pixclk_khz);



};



#endif //__DAL_DCCG_H__