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20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
78 lines
2.6 KiB
Diff
78 lines
2.6 KiB
Diff
From 967b49174527035216ee4d54c82c4528fed0be55 Mon Sep 17 00:00:00 2001
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From: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com>
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Date: Thu, 15 Jul 2021 01:07:53 +0200
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Subject: [PATCH] drm/vc4: Fix definition of PAL-M mode
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PAL-M is a Brazilian analog TV standard that uses a PAL-style chroma
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subcarrier at 3.575611[888111] MHz on top of 525-line (480i60) timings.
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This commit makes the driver actually use the proper VEC preset for this
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mode instead of just changing PAL subcarrier frequency.
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DRM mode constant names have also been changed, as they no longer
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correspond to the "NTSC" or "PAL" terms.
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Signed-off-by: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com>
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---
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drivers/gpu/drm/vc4/vc4_vec.c | 18 +++++++++---------
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1 file changed, 9 insertions(+), 9 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_vec.c
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+++ b/drivers/gpu/drm/vc4/vc4_vec.c
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@@ -68,6 +68,7 @@
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#define VEC_CONFIG0_STD_MASK GENMASK(1, 0)
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#define VEC_CONFIG0_NTSC_STD 0
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#define VEC_CONFIG0_PAL_BDGHI_STD 1
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+#define VEC_CONFIG0_PAL_M_STD 2
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#define VEC_CONFIG0_PAL_N_STD 3
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#define VEC_SCHPH 0x108
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@@ -241,14 +242,14 @@ static const struct debugfs_reg32 vec_re
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VC4_REG32(VEC_DAC_MISC),
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};
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-static const struct drm_display_mode ntsc_mode = {
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+static const struct drm_display_mode drm_mode_480i = {
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DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 13500,
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720, 720 + 14, 720 + 14 + 64, 720 + 14 + 64 + 60, 0,
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480, 480 + 7, 480 + 7 + 6, 525, 0,
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DRM_MODE_FLAG_INTERLACE)
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};
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-static const struct drm_display_mode pal_mode = {
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+static const struct drm_display_mode drm_mode_576i = {
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DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 13500,
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720, 720 + 20, 720 + 20 + 64, 720 + 20 + 64 + 60, 0,
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576, 576 + 4, 576 + 4 + 6, 625, 0,
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@@ -257,25 +258,24 @@ static const struct drm_display_mode pal
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static const struct vc4_vec_tv_mode vc4_vec_tv_modes[] = {
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[VC4_VEC_TV_MODE_NTSC] = {
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- .mode = &ntsc_mode,
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+ .mode = &drm_mode_480i,
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.config0 = VEC_CONFIG0_NTSC_STD | VEC_CONFIG0_PDEN,
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.config1 = VEC_CONFIG1_C_CVBS_CVBS,
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},
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[VC4_VEC_TV_MODE_NTSC_J] = {
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- .mode = &ntsc_mode,
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+ .mode = &drm_mode_480i,
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.config0 = VEC_CONFIG0_NTSC_STD,
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.config1 = VEC_CONFIG1_C_CVBS_CVBS,
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},
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[VC4_VEC_TV_MODE_PAL] = {
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- .mode = &pal_mode,
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+ .mode = &drm_mode_576i,
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.config0 = VEC_CONFIG0_PAL_BDGHI_STD,
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.config1 = VEC_CONFIG1_C_CVBS_CVBS,
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},
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[VC4_VEC_TV_MODE_PAL_M] = {
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- .mode = &pal_mode,
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- .config0 = VEC_CONFIG0_PAL_BDGHI_STD,
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- .config1 = VEC_CONFIG1_C_CVBS_CVBS | VEC_CONFIG1_CUSTOM_FREQ,
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- .custom_freq = 0x223b61d1,
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+ .mode = &drm_mode_480i,
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+ .config0 = VEC_CONFIG0_PAL_M_STD,
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+ .config1 = VEC_CONFIG1_C_CVBS_CVBS,
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},
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};
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