[PATCH 12/26] drm/omap: HDMI5: Use pointer to cfg->v_fc_config.timings in hdmi_core_video_config

From: Peter Ujfalusi
Date: Thu Sep 01 2016 - 07:24:10 EST


By using a pointer to the omap_vode_timings struct we can unwrap lines to
make the code easier to follow.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
---
drivers/gpu/drm/omapdrm/dss/hdmi5_core.c | 47 ++++++++++++++------------------
1 file changed, 20 insertions(+), 27 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c
index 457dbd2f93a2..2baef4f7714b 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c
@@ -329,13 +329,12 @@ static void hdmi_core_video_config(struct hdmi_core_data *core,
struct hdmi_core_vid_config *cfg)
{
void __iomem *base = core->base;
+ struct omap_video_timings *ovt = &cfg->v_fc_config.timings;
unsigned char r = 0;
bool vsync_pol, hsync_pol;

- vsync_pol =
- cfg->v_fc_config.timings.vsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
- hsync_pol =
- cfg->v_fc_config.timings.hsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
+ vsync_pol = ovt->vsync_level == OMAPDSS_SIG_ACTIVE_HIGH;
+ hsync_pol = ovt->hsync_level == OMAPDSS_SIG_ACTIVE_HIGH;

/* Set hsync, vsync and data-enable polarity */
r = hdmi_read_reg(base, HDMI_CORE_FC_INVIDCONF);
@@ -343,20 +342,16 @@ static void hdmi_core_video_config(struct hdmi_core_data *core,
r = FLD_MOD(r, hsync_pol, 5, 5);
r = FLD_MOD(r, cfg->data_enable_pol, 4, 4);
r = FLD_MOD(r, cfg->vblank_osc, 1, 1);
- r = FLD_MOD(r, cfg->v_fc_config.timings.interlace, 0, 0);
+ r = FLD_MOD(r, ovt->interlace, 0, 0);
hdmi_write_reg(base, HDMI_CORE_FC_INVIDCONF, r);

/* set x resolution */
- REG_FLD_MOD(base, HDMI_CORE_FC_INHACTIV1,
- cfg->v_fc_config.timings.hactive >> 8, 4, 0);
- REG_FLD_MOD(base, HDMI_CORE_FC_INHACTIV0,
- cfg->v_fc_config.timings.hactive & 0xFF, 7, 0);
+ REG_FLD_MOD(base, HDMI_CORE_FC_INHACTIV1, ovt->hactive >> 8, 4, 0);
+ REG_FLD_MOD(base, HDMI_CORE_FC_INHACTIV0, ovt->hactive & 0xFF, 7, 0);

/* set y resolution */
- REG_FLD_MOD(base, HDMI_CORE_FC_INVACTIV1,
- cfg->v_fc_config.timings.vactive >> 8, 4, 0);
- REG_FLD_MOD(base, HDMI_CORE_FC_INVACTIV0,
- cfg->v_fc_config.timings.vactive & 0xFF, 7, 0);
+ REG_FLD_MOD(base, HDMI_CORE_FC_INVACTIV1, ovt->vactive >> 8, 4, 0);
+ REG_FLD_MOD(base, HDMI_CORE_FC_INVACTIV0, ovt->vactive & 0xFF, 7, 0);

/* set horizontal blanking pixels */
REG_FLD_MOD(base, HDMI_CORE_FC_INHBLANK1, cfg->hblank >> 8, 4, 0);
@@ -366,30 +361,28 @@ static void hdmi_core_video_config(struct hdmi_core_data *core,
REG_FLD_MOD(base, HDMI_CORE_FC_INVBLANK, cfg->vblank, 7, 0);

/* set horizontal sync offset */
- REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINDELAY1,
- cfg->v_fc_config.timings.hfront_porch >> 8, 4, 0);
- REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINDELAY0,
- cfg->v_fc_config.timings.hfront_porch & 0xFF, 7, 0);
+ REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINDELAY1, ovt->hfront_porch >> 8,
+ 4, 0);
+ REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINDELAY0, ovt->hfront_porch & 0xFF,
+ 7, 0);

/* set vertical sync offset */
- REG_FLD_MOD(base, HDMI_CORE_FC_VSYNCINDELAY,
- cfg->v_fc_config.timings.vfront_porch, 7, 0);
+ REG_FLD_MOD(base, HDMI_CORE_FC_VSYNCINDELAY, ovt->vfront_porch, 7, 0);

/* set horizontal sync pulse width */
- REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINWIDTH1,
- (cfg->v_fc_config.timings.hsync_len >> 8), 1, 0);
- REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINWIDTH0,
- cfg->v_fc_config.timings.hsync_len & 0xFF, 7, 0);
+ REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINWIDTH1, (ovt->hsync_len >> 8),
+ 1, 0);
+ REG_FLD_MOD(base, HDMI_CORE_FC_HSYNCINWIDTH0, ovt->hsync_len & 0xFF,
+ 7, 0);

/* set vertical sync pulse width */
- REG_FLD_MOD(base, HDMI_CORE_FC_VSYNCINWIDTH,
- cfg->v_fc_config.timings.vsync_len, 5, 0);
+ REG_FLD_MOD(base, HDMI_CORE_FC_VSYNCINWIDTH, ovt->vsync_len, 5, 0);

/* select DVI mode */
REG_FLD_MOD(base, HDMI_CORE_FC_INVIDCONF,
- cfg->v_fc_config.hdmi_dvi_mode, 3, 3);
+ cfg->v_fc_config.hdmi_dvi_mode, 3, 3);

- if (cfg->v_fc_config.timings.double_pixel)
+ if (ovt->double_pixel)
REG_FLD_MOD(base, HDMI_CORE_FC_PRCONF, 2, 7, 4);
else
REG_FLD_MOD(base, HDMI_CORE_FC_PRCONF, 1, 7, 4);
--
2.9.3