msm: sde: specify a minimum rotator clock rate
Specify a 20MHz minimum clock rate for the sde rotator. The
rotator minimum clock must be greater than the VSYNC clock rate
of 19.2MHz. Specifying 20MHz will cause the system to select the
next available acceptable rate.
Change-Id: I79b7f01e31d787bfce9364262c1a3a73a42853fb
Signed-off-by: Lloyd Atkinson <latkinso@codeaurora.org>
diff --git a/drivers/media/platform/msm/sde/rotator/sde_rotator_core.h b/drivers/media/platform/msm/sde/rotator/sde_rotator_core.h
index eb8cb88..ab38bcb 100644
--- a/drivers/media/platform/msm/sde/rotator/sde_rotator_core.h
+++ b/drivers/media/platform/msm/sde/rotator/sde_rotator_core.h
@@ -396,6 +396,7 @@
* @pixel_per_clk: rotator hardware performance in pixel for clock
* @fudge_factor: fudge factor for clock calculation
* @overhead: software overhead for offline rotation in msec
+ * @min_rot_clk: minimum rotator clock rate
* @sbuf_ctx: pointer to sbuf session context
* @ops_xxx: function pointers of rotator HAL layer
* @hw_data: private handle of rotator HAL layer
@@ -443,6 +444,7 @@
struct sde_mult_factor pixel_per_clk;
struct sde_mult_factor fudge_factor;
struct sde_mult_factor overhead;
+ unsigned long min_rot_clk;
struct sde_rot_file_private *sbuf_ctx;