From: Mayuresh Janorkar <mayur@xxxxxx>
Context Save and Restore of DISPC registers for Secondary LCD
Signed-off-by: Sumit Semwal <sumit.semwal@xxxxxx>
Signed-off-by: Senthilvadivu Guruswamy <svadivu@xxxxxx>
Signed-off-by: Mukund Mittal <mmittal@xxxxxx>
Signed-off-by: Archit Taneja <archit@xxxxxx>
Signed-off-by: Samreen <samreen@xxxxxx>
---
drivers/video/omap2/dss/dispc.c | 39 ++++++++++++++++++++++++++++++++++++++-
1 files changed, 38 insertions(+), 1 deletions(-)
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index c7811b4..9f83f7e
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -230,6 +230,17 @@ void dispc_save_context(void)
SR(SIZE_DIG);
SR(SIZE_LCD(0));
+ if (cpu_is_omap44xx()) {
+ SR(CONTROL(2));
+ SR(DEFAULT_COLOR(2));
+ SR(TRANS_COLOR(2));
+ SR(SIZE_LCD(2));
+ SR(TIMING_H(2));
+ SR(TIMING_V(2));
+ SR(POL_FREQ(2));
+ SR(DIVISOR(2));
+ SR(CONFIG(2));
+ }
SR(GFX_BA0);
SR(GFX_BA1);
SR(GFX_POSITION);
@@ -249,6 +260,15 @@ void dispc_save_context(void)
SR(CPR_COEF_G(0));
SR(CPR_COEF_B(0));
+ if (cpu_is_omap44xx()) {
+ SR(CPR_COEF_B(2));
+ SR(CPR_COEF_G(2));
+ SR(CPR_COEF_R(2));
+
+ SR(DATA_CYCLE1(2));
+ SR(DATA_CYCLE2(2));
+ SR(DATA_CYCLE3(2));
+ }
SR(GFX_PRELOAD);
/* VID1 */
@@ -369,6 +389,22 @@ void dispc_restore_context(void)
RR(SIZE_DIG);
RR(SIZE_LCD(0));
+ if (cpu_is_omap44xx()) {
+ RR(DEFAULT_COLOR(2));
+ RR(TRANS_COLOR(2));
+ RR(CPR_COEF_B(2));
+ RR(CPR_COEF_G(2));
+ RR(CPR_COEF_R(2));
+ RR(DATA_CYCLE1(2));
+ RR(DATA_CYCLE2(2));
+ RR(DATA_CYCLE3(2));
+ RR(SIZE_LCD(2));
+ RR(TIMING_H(2));
+ RR(TIMING_V(2));
+ RR(POL_FREQ(2));
+ RR(DIVISOR(2));
+ RR(CONFIG(2));
+ }
RR(GFX_BA0);
RR(GFX_BA1);
RR(GFX_POSITION);
@@ -490,7 +526,8 @@ void dispc_restore_context(void)
/* enable last, because LCD & DIGIT enable are here */
RR(CONTROL(0));
-
+ if (cpu_is_omap44xx())
+ RR(CONTROL(2));
/* clear spurious SYNC_LOST_DIGIT interrupts */
dispc_write_reg(DISPC_IRQSTATUS, DISPC_IRQ_SYNC_LOST_DIGIT);
--
1.6.3.3
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