[i-g-t,4/4] tools/intel_display_poller: Align DSPSURF to 128k to appease gen4/vlv/chv
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Message ID 1441828686-22201-4-git-send-email-ville.syrjala@linux.intel.com
State New
Headers show

Commit Message

Ville Syrjälä Sept. 9, 2015, 7:58 p.m. UTC
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

gen4/vlv/chv require DSPSURF to be 128k aligned. Try to respect that
in order to avoid ugly glitches.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 tools/intel_display_poller.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Patch
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diff --git a/tools/intel_display_poller.c b/tools/intel_display_poller.c
index 99fd592..a6ae8d4 100644
--- a/tools/intel_display_poller.c
+++ b/tools/intel_display_poller.c
@@ -314,7 +314,7 @@  static void poll_pixel_flip(uint32_t devid, int pipe, int target_pixel, int targ
 				break;
 		}
 
-		write_reg(surf, saved+4096);
+		write_reg(surf, saved+128*1024);
 
 		while (!quit){
 			pix2 = read_reg(pix) & PIPE_PIXEL_MASK;
@@ -763,7 +763,7 @@  static void poll_dsl_flip(uint32_t devid, int pipe, int target_scanline, int tar
 				break;
 		}
 
-		write_reg(surf, saved+4096);
+		write_reg(surf, saved+128*1024);
 
 		while (!quit) {
 			dsl2 = read_reg(dsl);
@@ -802,7 +802,7 @@  static void poll_dsl_surflive(uint32_t devid, int pipe,
 	saved = read_reg(surf);
 
 	surf1 = saved & ~0xfff;
-	surf2 = surf1 + 4096;
+	surf2 = surf1 + 128*1024;
 
 	while (!quit) {
 		write_reg(surf, surf2);