Bug#676299: xserver-xorg-video-radeon: [RV 740] (EE) radeon_setup_kernel_mem failed

[Andrew Bettison]

Here are the diffs of the patches I applied.  I don't pretend to
understand why they worked, but the comment that introduced them is
extensive: https://bugs.freedesktop.org/show_bug.cgi?id=43448#c9

In libdrm:

diff --git a/radeon/radeon_surface.c b/radeon/radeon_surface.c
index 6303c47..26ba580 100644
--- a/radeon/radeon_surface.c
+++ b/radeon/radeon_surface.c
@@ -213,6 +213,9 @@ static int r6_init_hw_info(struct radeon_surface_manager 
*surf_man)
     case 1:
         surf_man->hw_info.num_banks = 8;
         break;
+    case 2:
+        surf_man->hw_info.num_banks = 16;
+        break;
     default:
         return -EINVAL;
     }

In mesa:

diff --git a/src/gallium/drivers/r600/r600_pipe.c 
b/src/gallium/drivers/r600/r600_pipe.c
index 008a0b9..f9a9e5c 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -664,6 +664,9 @@ static int r600_interpret_tiling(struct r600_screen 
*rscreen, uint32_t tiling_co
        case 1:
                rscreen->tiling_info.num_banks = 8;
                break;
+       case 2:
+               rscreen->tiling_info.num_banks = 16;
+               break;
        default:
                return -EINVAL;


In xserver-xorg-video-ati:

diff --git a/src/radeon_kms.c b/src/radeon_kms.c
index edc8fe3..27de267 100644
--- a/src/radeon_kms.c
+++ b/src/radeon_kms.c
@@ -580,6 +580,9 @@ static Bool r600_get_tile_config(ScrnInfoPtr pScrn)
        case 1:
            info->num_banks = 8;
            break;
+       case 2:
+           info->num_banks = 16;
+           break;
        default:
            return FALSE;
        }



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