gpu: nvgpu: remove support for CDE firmware v0

-CDE firmware v0 is not used anymore so we can remove support for
  it.
-Bump the threshold for a large surface warning to 8k.

Bug 1566740

Change-Id: Ia0434a04cdd453a10a8de08d259e92e6b9a3e964
Signed-off-by: Jussi Rasanen <jrasanen@nvidia.com>
Reviewed-on: http://git-master/r/709452
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 6 insertions, 104 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/cde_gk20a.c b/drivers/gpu/nvgpu/gk20a/cde_gk20a.c
index 49a1c1a8..095f69c7 100644
--- a/drivers/gpu/nvgpu/gk20a/cde_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/cde_gk20a.c
@@ -1308,103 +1308,6 @@ enum programs {
 /* maximum number of WRITE_PATCHes in the below function */
 #define MAX_CDE_LAUNCH_PATCHES            32
 
-static int gk20a_buffer_convert_gpu_to_cde_v0(
-                struct gk20a *g,
-                struct dma_buf *dmabuf, u32 consumer,
-                u64 offset, u64 compbits_hoffset, u64 compbits_voffset,
-                u32 width, u32 height, u32 block_height_log2,
-                u32 submit_flags, struct nvgpu_fence *fence_in,
-                struct gk20a_buffer_state *state)
-{
-        struct gk20a_cde_param params[MAX_CDE_LAUNCH_PATCHES];
-        int param = 0;
-        int err = 0;
-        struct gk20a_fence *new_fence = NULL;
-        const int wgx = 8;
-        const int wgy = 8;
-        const int compbits_per_byte = 4; /* one byte stores 4 compbit pairs */
-        const int xalign = compbits_per_byte * wgx;
-        const int yalign = wgy;
-
-        /* firmware v0 needs to call swizzling twice */
-        int i;
-        for (i = 0; i < 2; i++) {
-                /* Compute per launch parameters */
-                const bool vpass = (i == 1);
-                const int transposed_width = vpass ? height : width;
-                const int transposed_height = vpass ? width : height;
-                const int xtiles = (transposed_width + 7) >> 3;
-                const int ytiles = (transposed_height + 7) >> 3;
-                const int gridw = roundup(xtiles, xalign) / xalign;
-                const int gridh = roundup(ytiles, yalign) / yalign;
-                const int flags = (vpass ? 4 : 0) |
-                        g->cde_app.shader_parameter;
-                const int dst_stride = 128; /* chip constant */
-
-                if ((vpass && !(consumer & NVGPU_GPU_COMPBITS_CDEV)) ||
-                    (!vpass && !(consumer & NVGPU_GPU_COMPBITS_CDEH)))
-                        continue;
-
-                if (xtiles > 4096 / 8 || ytiles > 4096 / 8)
-                        gk20a_warn(&g->dev->dev, "cde: surface is exceptionally large (xtiles=%d, ytiles=%d)",
-                                   xtiles, ytiles);
-
-                gk20a_dbg(gpu_dbg_cde, "pass=%c", vpass ? 'V' : 'H');
-                gk20a_dbg(gpu_dbg_cde, "w=%d, h=%d, bh_log2=%d, compbits_hoffset=0x%llx, compbits_voffset=0x%llx",
-                          width, height, block_height_log2,
-                          compbits_hoffset, compbits_voffset);
-                gk20a_dbg(gpu_dbg_cde, "resolution (%d, %d) tiles (%d, %d)",
-                          width, height, xtiles, ytiles);
-                gk20a_dbg(gpu_dbg_cde, "group (%d, %d) grid (%d, %d)",
-                          wgx, wgy, gridw, gridh);
-
-                /* Write parameters */
-#define WRITE_PATCH(NAME, VALUE) \
-        params[param++] = (struct gk20a_cde_param){NAME##_ID, 0, VALUE}
-                param = 0;
-                WRITE_PATCH(PATCH_USER_CONST_XTILES, xtiles);
-                WRITE_PATCH(PATCH_USER_CONST_YTILES, ytiles);
-                WRITE_PATCH(PATCH_USER_CONST_BLOCKHEIGHTLOG2,
-                        block_height_log2);
-                WRITE_PATCH(PATCH_USER_CONST_DSTPITCH, dst_stride);
-                WRITE_PATCH(PATCH_H_USER_CONST_FLAGS, flags);
-                WRITE_PATCH(PATCH_H_VPC_CURRENT_GRID_SIZE_X, gridw);
-                WRITE_PATCH(PATCH_H_VPC_CURRENT_GRID_SIZE_Y, gridh);
-                WRITE_PATCH(PATCH_H_VPC_CURRENT_GRID_SIZE_Z, 1);
-                WRITE_PATCH(PATCH_VPC_CURRENT_GROUP_SIZE_X, wgx);
-                WRITE_PATCH(PATCH_VPC_CURRENT_GROUP_SIZE_Y, wgy);
-                WRITE_PATCH(PATCH_VPC_CURRENT_GROUP_SIZE_Z, 1);
-                WRITE_PATCH(PATCH_H_QMD_CTA_RASTER_WIDTH, gridw);
-                WRITE_PATCH(PATCH_H_QMD_CTA_RASTER_HEIGHT, gridh);
-                WRITE_PATCH(PATCH_QMD_CTA_RASTER_DEPTH, 1);
-                WRITE_PATCH(PATCH_QMD_CTA_THREAD_DIMENSION0, wgx);
-                WRITE_PATCH(PATCH_QMD_CTA_THREAD_DIMENSION1, wgy);
-                WRITE_PATCH(PATCH_QMD_CTA_THREAD_DIMENSION2, 1);
-#undef WRITE_PATCH
-
-                err = gk20a_cde_convert(g, dmabuf,
-                                        0, /* dst kind */
-                                        vpass ?
-                                        compbits_voffset :
-                                        compbits_hoffset,
-                                        0, /* dst_size, 0 = auto */
-                                        fence_in, submit_flags,
-                                        params, param,
-                                        &new_fence);
-                if (err)
-                        goto out;
-
-                /* compbits generated, update state & fence */
-                gk20a_fence_put(state->fence);
-                state->fence = new_fence;
-                state->valid_compbits |= vpass ?
-                        NVGPU_GPU_COMPBITS_CDEV :
-                        NVGPU_GPU_COMPBITS_CDEH;
-        }
-out:
-        return err;
-}
-
 static int gk20a_buffer_convert_gpu_to_cde_v1(
                 struct gk20a *g,
                 struct dma_buf *dmabuf, u32 consumer,
@@ -1446,7 +1349,7 @@ static int gk20a_buffer_convert_gpu_to_cde_v1(
                         PROG_VPASS_SMALL_DEBUG;
         }
 
-        if (xtiles > 4096 / 8 || ytiles > 4096 / 8)
+        if (xtiles > 8192 / 8 || ytiles > 8192 / 8)
                 gk20a_warn(&g->dev->dev, "cde: surface is exceptionally large (xtiles=%d, ytiles=%d)",
                            xtiles, ytiles);
 
@@ -1562,16 +1465,15 @@ static int gk20a_buffer_convert_gpu_to_cde(
         gk20a_dbg(gpu_dbg_cde, "firmware version = %d\n",
                 g->cde_app.firmware_version);
 
-        if (g->cde_app.firmware_version == 0) {
-                err = gk20a_buffer_convert_gpu_to_cde_v0(
-                    g, dmabuf, consumer, offset, compbits_hoffset,
-                    compbits_voffset, width, height, block_height_log2,
-                    submit_flags, fence_in, state);
-        } else {
+        if (g->cde_app.firmware_version == 1) {
                 err = gk20a_buffer_convert_gpu_to_cde_v1(
                     g, dmabuf, consumer, offset, compbits_hoffset,
                     compbits_voffset, width, height, block_height_log2,
                     submit_flags, fence_in, state);
+        } else {
+                dev_err(dev_from_gk20a(g), "unsupported CDE firmware version %d",
+                        g->cde_app.firmware_version);
+                err = -EINVAL;
         }
 
         gk20a_idle(g->dev);