Re: Error in inner loop in validate_cmds_sorted / out of bounds issue

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On Mon, 27 Jul 2015 09:59:45 +0100
Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote:

> The tables aren't sorted, that is worth fixing.

Attached patch should do that and fix the loop. Now it boots without
errors.

Does that look okay? If so please apply.

-- 
Hanno Böck
http://hboeck.de/

mail/jabber: hanno@xxxxxxxxx
GPG: BBB51E42
Signed-off-by: Hanno Boeck <hanno@xxxxxxxxx>

diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index 306d9e4..95aeb70 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -151,8 +151,8 @@ static const struct drm_i915_cmd_descriptor render_cmds[] = {
 	CMD(  MI_ARB_ON_OFF,                    SMI,    F,  1,      R  ),
 	CMD(  MI_PREDICATE,                     SMI,    F,  1,      S  ),
 	CMD(  MI_TOPOLOGY_FILTER,               SMI,    F,  1,      S  ),
-	CMD(  MI_DISPLAY_FLIP,                  SMI,   !F,  0xFF,   R  ),
 	CMD(  MI_SET_APPID,                     SMI,    F,  1,      S  ),
+	CMD(  MI_DISPLAY_FLIP,                  SMI,   !F,  0xFF,   R  ),
 	CMD(  MI_SET_CONTEXT,                   SMI,   !F,  0xFF,   R  ),
 	CMD(  MI_URB_CLEAR,                     SMI,   !F,  0xFF,   S  ),
 	CMD(  MI_STORE_DWORD_IMM,               SMI,   !F,  0x3F,   B,
@@ -564,7 +564,7 @@ static bool validate_cmds_sorted(struct intel_engine_cs *ring,
 
 		for (j = 0; j < table->count; j++) {
 			const struct drm_i915_cmd_descriptor *desc =
-				&table->table[i];
+				&table->table[j];
 			u32 curr = desc->cmd.value & desc->cmd.mask;
 
 			if (curr < previous) {

Attachment: pgpy7uB0dwEfl.pgp
Description: OpenPGP digital signature

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