Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / gpu / drm / radeon / radeon_display.c

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 74dac96..6dd434a 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -161,17 +161,13 @@ void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
 }
 
 static void radeon_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
-                                 u16 *blue, uint32_t size)
+                                 u16 *blue, uint32_t start, uint32_t size)
 {
        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
-       int i;
-
-       if (size != 256) {
-               return;
-       }
+       int end = (start + size > 256) ? 256 : start + size, i;
 
        /* userspace palettes are always correct as is */
-       for (i = 0; i < 256; i++) {
+       for (i = start; i < end; i++) {
                radeon_crtc->lut_r[i] = red[i] >> 6;
                radeon_crtc->lut_g[i] = green[i] >> 6;
                radeon_crtc->lut_b[i] = blue[i] >> 6;
@@ -319,6 +315,10 @@ static void radeon_print_display_setup(struct drm_device *dev)
                                 radeon_connector->ddc_bus->rec.en_data_reg,
                                 radeon_connector->ddc_bus->rec.y_clk_reg,
                                 radeon_connector->ddc_bus->rec.y_data_reg);
+                       if (radeon_connector->router_bus)
+                               DRM_INFO("  DDC Router 0x%x/0x%x\n",
+                                        radeon_connector->router.mux_control_pin,
+                                        radeon_connector->router.mux_state);
                } else {
                        if (connector->connector_type == DRM_MODE_CONNECTOR_VGA ||
                            connector->connector_type == DRM_MODE_CONNECTOR_DVII ||
@@ -395,6 +395,10 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
        struct radeon_device *rdev = dev->dev_private;
        int ret = 0;
 
+       /* on hw with routers, select right port */
+       if (radeon_connector->router.valid)
+               radeon_router_select_port(radeon_connector);
+
        if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
            (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) {
                struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
@@ -425,6 +429,10 @@ static int radeon_ddc_dump(struct drm_connector *connector)
        struct radeon_connector *radeon_connector = to_radeon_connector(connector);
        int ret = 0;
 
+       /* on hw with routers, select right port */
+       if (radeon_connector->router.valid)
+               radeon_router_select_port(radeon_connector);
+
        if (!radeon_connector->ddc_bus)
                return -1;
        edid = drm_get_edid(connector, &radeon_connector->ddc_bus->adapter);
@@ -876,13 +884,12 @@ radeon_user_framebuffer_create(struct drm_device *dev,
        if (obj ==  NULL) {
                dev_err(&dev->pdev->dev, "No GEM object associated to handle 0x%08X, "
                        "can't create framebuffer\n", mode_cmd->handle);
-               return NULL;
+               return ERR_PTR(-ENOENT);
        }
 
        radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL);
-       if (radeon_fb == NULL) {
-               return NULL;
-       }
+       if (radeon_fb == NULL)
+               return ERR_PTR(-ENOMEM);
 
        radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj);
 
@@ -1040,6 +1047,9 @@ int radeon_modeset_init(struct radeon_device *rdev)
                return ret;
        }
 
+       /* init i2c buses */
+       radeon_i2c_init(rdev);
+
        /* check combios for a valid hardcoded EDID - Sun servers */
        if (!rdev->is_atom_bios) {
                /* check for hardcoded EDID in BIOS */
@@ -1080,6 +1090,20 @@ void radeon_modeset_fini(struct radeon_device *rdev)
                drm_mode_config_cleanup(rdev->ddev);
                rdev->mode_info.mode_config_initialized = false;
        }
+       /* free i2c buses */
+       radeon_i2c_fini(rdev);
+}
+
+static bool is_hdtv_mode(struct drm_display_mode *mode)
+{
+       /* try and guess if this is a tv or a monitor */
+       if ((mode->vdisplay == 480 && mode->hdisplay == 720) || /* 480p */
+           (mode->vdisplay == 576) || /* 576p */
+           (mode->vdisplay == 720) || /* 720p */
+           (mode->vdisplay == 1080)) /* 1080p */
+               return true;
+       else
+               return false;
 }
 
 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
@@ -1129,7 +1153,8 @@ bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
                        if (ASIC_IS_AVIVO(rdev) &&
                            ((radeon_encoder->underscan_type == UNDERSCAN_ON) ||
                             ((radeon_encoder->underscan_type == UNDERSCAN_AUTO) &&
-                             drm_detect_hdmi_monitor(radeon_connector->edid)))) {
+                             drm_detect_hdmi_monitor(radeon_connector->edid) &&
+                             is_hdtv_mode(mode)))) {
                                radeon_crtc->h_border = (mode->hdisplay >> 5) + 16;
                                radeon_crtc->v_border = (mode->vdisplay >> 5) + 16;
                                radeon_crtc->rmx_type = RMX_FULL;