drm/i915/dvo: Define a few more DVO register bits

Define a few extra interrupt related bits on the DVO register.
One of these we included in the DVO_PRESERVE_MASK already.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221122120825.26338-6-ville.syrjala@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c
index d20334d..255deb5 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dvo.c
+++ b/drivers/gpu/drm/i915/display/intel_dvo.c
@@ -290,7 +290,8 @@ static void intel_dvo_pre_enable(struct intel_atomic_state *state,
 
        /* Save the data order, since I don't know what it should be set to. */
        dvo_val = intel_de_read(i915, DVO(port)) &
-                 (DVO_PRESERVE_MASK | DVO_DATA_ORDER_GBRG);
+                 (DVO_DEDICATED_INT_ENABLE |
+                  DVO_PRESERVE_MASK | DVO_DATA_ORDER_GBRG);
        dvo_val |= DVO_DATA_ORDER_FP | DVO_BORDER_ENABLE |
                   DVO_BLANK_ACTIVE_HIGH;
 

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 87f60b9..e77aeb0 100644 (file)
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2602,6 +2602,9 @@
 #define   DVO_PIPE_STALL               (1 << 28)
 #define   DVO_PIPE_STALL_TV            (2 << 28)
 #define   DVO_PIPE_STALL_MASK          (3 << 28)
+#define   DVO_INTERRUPT_SELECT         (1 << 27)
+#define   DVO_DEDICATED_INT_ENABLE     (1 << 26)
+#define   DVO_PRESERVE_MASK            (0x3 << 24)
 #define   DVO_USE_VGA_SYNC             (1 << 15)
 #define   DVO_DATA_ORDER_I740          (0 << 14)
 #define   DVO_DATA_ORDER_FP            (1 << 14)
@@ -2619,7 +2622,6 @@
 #define   DVO_BLANK_ACTIVE_HIGH                (1 << 2)
 #define   DVO_OUTPUT_CSTATE_PIXELS     (1 << 1)        /* SDG only */
 #define   DVO_OUTPUT_SOURCE_SIZE_PIXELS        (1 << 0)        /* SDG only */
-#define   DVO_PRESERVE_MASK            (0x7 << 24)
 #define _DVOA_SRCDIM           0x61124
 #define _DVOB_SRCDIM           0x61144
 #define _DVOC_SRCDIM           0x61164