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-rw-r--r--drivers/gpu/drm/i915/i915_reg.h2
-rw-r--r--drivers/gpu/drm/i915/intel_display.c14
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c11
3 files changed, 24 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index f7c2de8fdf09..6345bf20db03 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2000,6 +2000,8 @@
#define PF_ENABLE (1<<31)
#define PFA_WIN_SZ 0x68074
#define PFB_WIN_SZ 0x68874
+#define PFA_WIN_POS 0x68070
+#define PFB_WIN_POS 0x68870
/* legacy palette */
#define LGC_PALETTE_A 0x4a000
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d2f3692be8eb..42cd68da74ab 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1391,6 +1391,7 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
int transconf_reg = (pipe == 0) ? TRANSACONF : TRANSBCONF;
int pf_ctl_reg = (pipe == 0) ? PFA_CTL_1 : PFB_CTL_1;
int pf_win_size = (pipe == 0) ? PFA_WIN_SZ : PFB_WIN_SZ;
+ int pf_win_pos = (pipe == 0) ? PFA_WIN_POS : PFB_WIN_POS;
int cpu_htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
int cpu_hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
int cpu_hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
@@ -1442,6 +1443,19 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
}
}
+ /* Enable panel fitting for LVDS */
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+ temp = I915_READ(pf_ctl_reg);
+ I915_WRITE(pf_ctl_reg, temp | PF_ENABLE);
+
+ /* currently full aspect */
+ I915_WRITE(pf_win_pos, 0);
+
+ I915_WRITE(pf_win_size,
+ (dev_priv->panel_fixed_mode->hdisplay << 16) |
+ (dev_priv->panel_fixed_mode->vdisplay));
+ }
+
/* Enable CPU pipe */
temp = I915_READ(pipeconf_reg);
if ((temp & PIPEACONF_ENABLE) == 0) {
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index c4799bd7eaad..4c55596649f9 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -296,6 +296,10 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
goto out;
}
+ /* full screen scale for now */
+ if (IS_IGDNG(dev))
+ goto out;
+
/* 965+ wants fuzzy fitting */
if (IS_I965G(dev))
pfit_control |= (intel_crtc->pipe << PFIT_PIPE_SHIFT) |
@@ -323,8 +327,10 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
* to register description and PRM.
* Change the value here to see the borders for debugging
*/
- I915_WRITE(BCLRPAT_A, 0);
- I915_WRITE(BCLRPAT_B, 0);
+ if (!IS_IGDNG(dev)) {
+ I915_WRITE(BCLRPAT_A, 0);
+ I915_WRITE(BCLRPAT_B, 0);
+ }
switch (lvds_priv->fitting_mode) {
case DRM_MODE_SCALE_CENTER:
@@ -573,7 +579,6 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder,
* settings.
*/
- /* No panel fitting yet, fixme */
if (IS_IGDNG(dev))
return;
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