Commit 4f503798 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915/tv: Store the TV oversampling factor in the TV mode 



Store the oversampling factor as a number in the TV modes. We
shall want to arithmetic with this which is easier if it's
a number we can use directly.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181112170000.27531-6-ville.syrjala@linux.intel.com


Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
parent d5152823

drivers/gpu/drm/i915/intel_tv.c

+28 −14
Original line number Diff line number Diff line
@@ -306,7 +306,7 @@ struct tv_mode { 


	u32 clock;

	u16 refresh; /* in millihertz (for precision) */

	u32 oversample;

	u8 oversample;

	u8 hsync_end;

	u16 hblank_start, hblank_end, htotal;

	bool progressive : 1, trilevel_sync : 1, component_only : 1;
@@ -378,7 +378,7 @@ static const struct tv_mode tv_modes[] = { 
		.name		= "NTSC-M",

		.clock		= 108000,

		.refresh	= 59940,

		.oversample	= TV_OVERSAMPLE_8X,

		.oversample	= 8,

		.component_only = 0,

		/* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
@@ -421,7 +421,7 @@ static const struct tv_mode tv_modes[] = { 
		.name		= "NTSC-443",

		.clock		= 108000,

		.refresh	= 59940,

		.oversample	= TV_OVERSAMPLE_8X,

		.oversample	= 8,

		.component_only = 0,

		/* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 4.43MHz */

		.hsync_end	= 64,		    .hblank_end		= 124,
@@ -463,7 +463,7 @@ static const struct tv_mode tv_modes[] = { 
		.name		= "NTSC-J",

		.clock		= 108000,

		.refresh	= 59940,

		.oversample	= TV_OVERSAMPLE_8X,

		.oversample	= 8,

		.component_only = 0,



		/* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
@@ -506,7 +506,7 @@ static const struct tv_mode tv_modes[] = { 
		.name		= "PAL-M",

		.clock		= 108000,

		.refresh	= 59940,

		.oversample	= TV_OVERSAMPLE_8X,

		.oversample	= 8,

		.component_only = 0,



		/* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
@@ -550,7 +550,7 @@ static const struct tv_mode tv_modes[] = { 
		.name	    = "PAL-N",

		.clock		= 108000,

		.refresh	= 50000,

		.oversample	= TV_OVERSAMPLE_8X,

		.oversample	= 8,

		.component_only = 0,



		.hsync_end	= 64,		    .hblank_end		= 128,
@@ -595,7 +595,7 @@ static const struct tv_mode tv_modes[] = { 
		.name	    = "PAL",

		.clock		= 108000,

		.refresh	= 50000,

		.oversample	= TV_OVERSAMPLE_8X,

		.oversample	= 8,

		.component_only = 0,



		.hsync_end	= 64,		    .hblank_end		= 142,
@@ -637,7 +637,7 @@ static const struct tv_mode tv_modes[] = { 
		.name       = "480p",

		.clock		= 108000,

		.refresh	= 59940,

		.oversample     = TV_OVERSAMPLE_4X,

		.oversample     = 4,

		.component_only = 1,



		.hsync_end      = 64,               .hblank_end         = 122,
@@ -661,7 +661,7 @@ static const struct tv_mode tv_modes[] = { 
		.name       = "576p",

		.clock		= 108000,

		.refresh	= 50000,

		.oversample     = TV_OVERSAMPLE_4X,

		.oversample     = 4,

		.component_only = 1,



		.hsync_end      = 64,               .hblank_end         = 139,
@@ -685,7 +685,7 @@ static const struct tv_mode tv_modes[] = { 
		.name       = "720p@60Hz",

		.clock		= 148500,

		.refresh	= 60000,

		.oversample     = TV_OVERSAMPLE_2X,

		.oversample     = 2,

		.component_only = 1,



		.hsync_end      = 80,               .hblank_end         = 300,
@@ -709,7 +709,7 @@ static const struct tv_mode tv_modes[] = { 
		.name       = "720p@50Hz",

		.clock		= 148500,

		.refresh	= 50000,

		.oversample     = TV_OVERSAMPLE_2X,

		.oversample     = 2,

		.component_only = 1,



		.hsync_end      = 80,               .hblank_end         = 300,
@@ -734,7 +734,7 @@ static const struct tv_mode tv_modes[] = { 
		.name       = "1080i@50Hz",

		.clock		= 148500,

		.refresh	= 50000,

		.oversample     = TV_OVERSAMPLE_2X,

		.oversample     = 2,

		.component_only = 1,



		.hsync_end      = 88,               .hblank_end         = 235,
@@ -760,7 +760,7 @@ static const struct tv_mode tv_modes[] = { 
		.name       = "1080i@60Hz",

		.clock		= 148500,

		.refresh	= 60000,

		.oversample     = TV_OVERSAMPLE_2X,

		.oversample     = 2,

		.component_only = 1,



		.hsync_end      = 88,               .hblank_end         = 235,
@@ -1029,7 +1029,21 @@ static void intel_tv_pre_enable(struct intel_encoder *encoder, 
	}



	tv_ctl |= TV_ENC_PIPE_SEL(intel_crtc->pipe);

	tv_ctl |= tv_mode->oversample;



	switch (tv_mode->oversample) {

	case 8:

		tv_ctl |= TV_OVERSAMPLE_8X;

		break;

	case 4:

		tv_ctl |= TV_OVERSAMPLE_4X;

		break;

	case 2:

		tv_ctl |= TV_OVERSAMPLE_2X;

		break;

	default:

		tv_ctl |= TV_OVERSAMPLE_NONE;

		break;

	}



	if (tv_mode->progressive)

		tv_ctl |= TV_PROGRESSIVE;

CRA Git | Maintained and supported by SUSTech CRA and CCSE