To avoid duplicate logic for timing parameters
Signed-off-by: Satendra Singh Thakur satendra.t@samsung.com Cc: Madhur Verma madhur.verma@samsung.com Cc: Hemanshu Srivastava hemanshu.s@samsung.com --- drivers/gpu/drm/bridge/tc358767.c | 42 ++++++++++++++++++--------------------- 1 file changed, 19 insertions(+), 23 deletions(-)
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 08ab7d6a..d90ac27 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -39,6 +39,7 @@ #include <drm/drm_edid.h> #include <drm/drm_of.h> #include <drm/drm_panel.h> +#include <video/videomode.h>
/* Registers */
@@ -653,14 +654,9 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode) int ret; int vid_sync_dly; int max_tu_symbol; + struct videomode vm;
- int left_margin = mode->htotal - mode->hsync_end; - int right_margin = mode->hsync_start - mode->hdisplay; - int hsync_len = mode->hsync_end - mode->hsync_start; - int upper_margin = mode->vtotal - mode->vsync_end; - int lower_margin = mode->vsync_start - mode->vdisplay; - int vsync_len = mode->vsync_end - mode->vsync_start; - + drm_display_mode_to_videomode(mode, &vm); /* * Recommended maximum number of symbols transferred in a transfer unit: * DIV_ROUND_UP((input active video bandwidth in bytes) * tu_size, @@ -670,11 +666,11 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode) max_tu_symbol = TU_SIZE_RECOMMENDED - 1;
dev_dbg(tc->dev, "set mode %dx%d\n", - mode->hdisplay, mode->vdisplay); + vm.hactive, vm.vactive); dev_dbg(tc->dev, "H margin %d,%d sync %d\n", - left_margin, right_margin, hsync_len); + vm.hback_porch, vm.hfront_porch, vm.hsync_len); dev_dbg(tc->dev, "V margin %d,%d sync %d\n", - upper_margin, lower_margin, vsync_len); + vm.vback_porch, vm.vfront_porch, vm.vsync_len); dev_dbg(tc->dev, "total: %dx%d\n", mode->htotal, mode->vtotal);
@@ -686,14 +682,14 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode) */ tc_write(VPCTRL0, (0 << 20) /* VSDELAY */ | OPXLFMT_RGB888 | FRMSYNC_DISABLED | MSF_DISABLED); - tc_write(HTIM01, (ALIGN(left_margin, 2) << 16) | /* H back porch */ - (ALIGN(hsync_len, 2) << 0)); /* Hsync */ - tc_write(HTIM02, (ALIGN(right_margin, 2) << 16) | /* H front porch */ - (ALIGN(mode->hdisplay, 2) << 0)); /* width */ - tc_write(VTIM01, (upper_margin << 16) | /* V back porch */ - (vsync_len << 0)); /* Vsync */ - tc_write(VTIM02, (lower_margin << 16) | /* V front porch */ - (mode->vdisplay << 0)); /* height */ + tc_write(HTIM01, (ALIGN(vm.hback_porch, 2) << 16) | /* H back porch */ + (ALIGN(vm.hsync_len, 2) << 0)); /* Hsync */ + tc_write(HTIM02, (ALIGN(vm.hfront_porch, 2) << 16) | /* H front porch */ + (ALIGN(vm.hactive, 2) << 0)); /* width */ + tc_write(VTIM01, (vm.vback_porch << 16) | /* V back porch */ + (vm.vsync_len << 0)); /* Vsync */ + tc_write(VTIM02, (vm.vfront_porch << 16) | /* V front porch */ + (vm.vactive << 0)); /* height */ tc_write(VFUEN0, VFUEN); /* update settings */
/* Test pattern settings */ @@ -706,7 +702,7 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode) 0);
/* DP Main Stream Attributes */ - vid_sync_dly = hsync_len + left_margin + mode->hdisplay; + vid_sync_dly = vm.hsync_len + vm.hback_porch + vm.hactive; tc_write(DP0_VIDSYNCDELAY, (max_tu_symbol << 16) | /* thresh_dly */ (vid_sync_dly << 0)); @@ -714,12 +710,12 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode) tc_write(DP0_TOTALVAL, (mode->vtotal << 16) | (mode->htotal));
tc_write(DP0_STARTVAL, - ((upper_margin + vsync_len) << 16) | - ((left_margin + hsync_len) << 0)); + ((vm.vback_porch + vm.vsync_len) << 16) | + ((vm.hback_porch + vm.hsync_len) << 0));
- tc_write(DP0_ACTIVEVAL, (mode->vdisplay << 16) | (mode->hdisplay)); + tc_write(DP0_ACTIVEVAL, (vm.vactive << 16) | (vm.hactive));
- tc_write(DP0_SYNCVAL, (vsync_len << 16) | (hsync_len << 0)); + tc_write(DP0_SYNCVAL, (vm.vsync_len << 16) | (vm.hsync_len << 0));
tc_write(DPIPXLFMT, VS_POL_ACTIVE_LOW | HS_POL_ACTIVE_LOW | DE_POL_ACTIVE_HIGH | SUB_CFG_TYPE_CONFIG1 | DPI_BPP_RGB888);