[PATCH 02/10] vmwgfx: Add support for depth 8

[Thomas Hellstrom]

From: Michel D?nzer <daen...@vmware.com>

Signed-off-by: Michel D?nzer <daenzer at vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c |    3 +++
 drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c |   11 +++++++++++
 2 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index dfe32e6..7539b56 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -567,6 +567,9 @@ static int vmw_kms_new_framebuffer_surface(struct 
vmw_private *dev_priv,
        case 15:
                format = SVGA3D_A1R5G5B5;
                break;
+       case 8:
+               format = SVGA3D_LUMINANCE8;
+               break;
        default:
                DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
                return -EINVAL;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index 7b8115a..c6d09a6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -83,6 +83,15 @@ static void vmw_ldu_crtc_gamma_set(struct drm_crtc *crtc,
                                   u16 *r, u16 *g, u16 *b,
                                   uint32_t start, uint32_t size)
 {
+       struct vmw_private *dev_priv = vmw_priv(crtc->dev);
+       int i;
+
+       for (i = 0; i < size; i++) {
+               DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i, r[i], 
g[i], b[i]);
+               vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
+               vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
+               vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
+       }
 }

 static void vmw_ldu_crtc_destroy(struct drm_crtc *crtc)
@@ -547,6 +556,8 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, 
unsigned unit)

        drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs);

+       drm_mode_crtc_set_gamma_size(crtc, 256);
+
        drm_connector_attach_property(connector,
                                      dev->mode_config.dirty_info_property,
                                      1);
-- 
1.7.4.4