From: Ville Syrjälä Date: Tue, 26 Mar 2019 17:38:10 +0000 (+0200) Subject: drm/sun4i: Eliminate pointless on stack copy of drm_display_info X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=1e612a0f62febce70da35891f1b9a3cc270d4af1;p=openwrt%2Fstaging%2Fblogic.git drm/sun4i: Eliminate pointless on stack copy of drm_display_info Just use a pointer to the display_info rather than make a copy on stack. Cc: Maxime Ripard Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20190326173810.11979-1-ville.syrjala@linux.intel.com Acked-by: Maxime Ripard Reviewed-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index 64c43ee6bd92..3e97953628ed 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -478,7 +478,7 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon, const struct drm_display_mode *mode) { struct drm_connector *connector = sun4i_tcon_get_connector(encoder); - struct drm_display_info display_info = connector->display_info; + const struct drm_display_info *info = &connector->display_info; unsigned int bp, hsync, vsync; u8 clk_delay; u32 val = 0; @@ -539,7 +539,7 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon, if (mode->flags & DRM_MODE_FLAG_PVSYNC) val |= SUN4I_TCON0_IO_POL_VSYNC_POSITIVE; - if (display_info.bus_flags & DRM_BUS_FLAG_DE_LOW) + if (info->bus_flags & DRM_BUS_FLAG_DE_LOW) val |= SUN4I_TCON0_IO_POL_DE_NEGATIVE; /* @@ -557,10 +557,10 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon, * Following code is a way to avoid quirks all around TCON * and DOTCLOCK drivers. */ - if (display_info.bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE) + if (info->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE) clk_set_phase(tcon->dclk, 240); - if (display_info.bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE) + if (info->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE) clk_set_phase(tcon->dclk, 0); regmap_update_bits(tcon->regs, SUN4I_TCON0_IO_POL_REG,