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Subject[PATCH v1 09/13] drm/kms/mode/sun4i-tv: using helper func drm_display_mode_from_videomode for calculating timing parameters
Date
To avoid duplicate logic for horizonal/vertical sync_start/end
helper func drm_display_mode_from_videomode is used

Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Satendra Singh Thakur <satendra.t@samsung.com>
Acked-by: Madhur Verma <madhur.verma@samsung.com>
Cc: Hemanshu Srivastava <hemanshu.s@samsung.com>
---

v1: Added acked-by fields

drivers/gpu/drm/sun4i/sun4i_tv.c | 67 +++++++++++++++-------------------------
1 file changed, 25 insertions(+), 42 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c
index b070d52..7ffa930 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tv.c
@@ -21,6 +21,7 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
+#include <video/videomode.h>

#include "sun4i_crtc.h"
#include "sun4i_drv.h"
@@ -147,16 +148,7 @@ struct tv_mode {
u16 front_porch;
u16 line_number;
u16 vblank_level;
-
- u32 hdisplay;
- u16 hfront_porch;
- u16 hsync_len;
- u16 hback_porch;
-
- u32 vdisplay;
- u16 vfront_porch;
- u16 vsync_len;
- u16 vback_porch;
+ struct videomode vm;

bool yc_en;
bool dac3_en;
@@ -223,16 +215,16 @@ static const struct tv_mode tv_modes[] = {
.back_porch = 118,
.front_porch = 32,
.line_number = 525,
-
- .hdisplay = 720,
- .hfront_porch = 18,
- .hsync_len = 2,
- .hback_porch = 118,
-
- .vdisplay = 480,
- .vfront_porch = 26,
- .vsync_len = 2,
- .vback_porch = 17,
+ .vm = {
+ .hactive = 720,
+ .hfront_porch = 18,
+ .hsync_len = 2,
+ .hback_porch = 118,
+ .vactive = 480,
+ .vfront_porch = 26,
+ .vsync_len = 2,
+ .vback_porch = 17,
+ },

.vblank_level = 240,

@@ -249,16 +241,16 @@ static const struct tv_mode tv_modes[] = {
.back_porch = 138,
.front_porch = 24,
.line_number = 625,
-
- .hdisplay = 720,
- .hfront_porch = 3,
- .hsync_len = 2,
- .hback_porch = 139,
-
- .vdisplay = 576,
- .vfront_porch = 28,
- .vsync_len = 2,
- .vback_porch = 19,
+ .vm = {
+ .hactive = 720,
+ .hfront_porch = 3,
+ .hsync_len = 2,
+ .hback_porch = 139,
+ .vactive = 576,
+ .vfront_porch = 28,
+ .vsync_len = 2,
+ .vback_porch = 19,
+ },

.vblank_level = 252,

@@ -311,9 +303,9 @@ static const struct tv_mode *sun4i_tv_find_tv_by_mode(const struct drm_display_m

DRM_DEBUG_DRIVER("Comparing mode %s vs %s (X: %d vs %d)",
mode->name, tv_mode->name,
- mode->vdisplay, tv_mode->vdisplay);
+ mode->vdisplay, tv_mode->vm.vactive);

- if (mode->vdisplay == tv_mode->vdisplay)
+ if (mode->vdisplay == tv_mode->vm.vactive)
return tv_mode;
}

@@ -325,19 +317,10 @@ static void sun4i_tv_mode_to_drm_mode(const struct tv_mode *tv_mode,
{
DRM_DEBUG_DRIVER("Creating mode %s\n", mode->name);

+ drm_display_mode_from_videomode(&tv_mode->vm, mode);
mode->type = DRM_MODE_TYPE_DRIVER;
mode->clock = 13500;
mode->flags = DRM_MODE_FLAG_INTERLACE;
-
- mode->hdisplay = tv_mode->hdisplay;
- mode->hsync_start = mode->hdisplay + tv_mode->hfront_porch;
- mode->hsync_end = mode->hsync_start + tv_mode->hsync_len;
- mode->htotal = mode->hsync_end + tv_mode->hback_porch;
-
- mode->vdisplay = tv_mode->vdisplay;
- mode->vsync_start = mode->vdisplay + tv_mode->vfront_porch;
- mode->vsync_end = mode->vsync_start + tv_mode->vsync_len;
- mode->vtotal = mode->vsync_end + tv_mode->vback_porch;
}

static void sun4i_tv_disable(struct drm_encoder *encoder)
--
2.7.4
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