drm/radeon: fix amd afusion gpu setup aka sumo v2

commit bd25f0783dc3fb72e1e2779c2b99b2d34b67fa8a upstream.

Set the proper number of tile pipe that should be a multiple of
pipe depending on the number of se engine.

Fix:
https://bugs.freedesktop.org/show_bug.cgi?id=56405
https://bugs.freedesktop.org/show_bug.cgi?id=56720

v2: Don't change sumo2

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 78de2e4097b5829696c6aa6f395f4b7ac12a64c9..18a5382af6726e73b7121f85f886b0da0e941c65 100644 (file)
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1821,7 +1821,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
        case CHIP_SUMO:
                rdev->config.evergreen.num_ses = 1;
                rdev->config.evergreen.max_pipes = 4;
-               rdev->config.evergreen.max_tile_pipes = 2;
+               rdev->config.evergreen.max_tile_pipes = 4;
                if (rdev->pdev->device == 0x9648)
                        rdev->config.evergreen.max_simds = 3;
                else if ((rdev->pdev->device == 0x9647) ||
@@ -1844,7 +1844,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
                rdev->config.evergreen.sc_prim_fifo_size = 0x40;
                rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
                rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
-               gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
+               gb_addr_config = SUMO_GB_ADDR_CONFIG_GOLDEN;
                break;
        case CHIP_SUMO2:
                rdev->config.evergreen.num_ses = 1;
@@ -1866,7 +1866,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
                rdev->config.evergreen.sc_prim_fifo_size = 0x40;
                rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
                rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
-               gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
+               gb_addr_config = SUMO2_GB_ADDR_CONFIG_GOLDEN;
                break;
        case CHIP_BARTS:
                rdev->config.evergreen.num_ses = 2;
@@ -1914,7 +1914,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
                break;
        case CHIP_CAICOS:
                rdev->config.evergreen.num_ses = 1;
-               rdev->config.evergreen.max_pipes = 4;
+               rdev->config.evergreen.max_pipes = 2;
                rdev->config.evergreen.max_tile_pipes = 2;
                rdev->config.evergreen.max_simds = 2;
                rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;

diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index e79d09a01821ba9d4fedc6c664c4eaed2a9ebd34..442732f45e4f58d94f7b072afea1115e130f46ac 100644 (file)
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -45,6 +45,8 @@
 #define TURKS_GB_ADDR_CONFIG_GOLDEN          0x02010002
 #define CEDAR_GB_ADDR_CONFIG_GOLDEN          0x02010001
 #define CAICOS_GB_ADDR_CONFIG_GOLDEN         0x02010001
+#define SUMO_GB_ADDR_CONFIG_GOLDEN           0x02010002
+#define SUMO2_GB_ADDR_CONFIG_GOLDEN          0x02010002
 
 /* Registers */