[PATCH] drm/amdgpu: fix SI display support

Alex Deucher alexdeucher at gmail.com
Fri Aug 19 21:57:09 UTC 2016


I've squashed this patch into my si tree and also fixed the cursor.
Updated tree:
https://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-4.9-si

Alex

On Fri, Aug 19, 2016 at 5:01 AM, Marek Olšák <maraeo at gmail.com> wrote:
> From: Marek Olšák <marek.olsak at amd.com>
>
> The tiling flags use the same amdgpu encoding regardless of the ASIC.
>
> Signed-off-by: Marek Olšák <marek.olsak at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/dce_v6_0.c         | 74 ++++-----------------------
>  drivers/gpu/drm/amd/include/asic_reg/si/sid.h | 32 ------------
>  2 files changed, 11 insertions(+), 95 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> index 07e0475..4444b73 100644
> --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> @@ -1476,66 +1476,33 @@ static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
>         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
>         struct drm_device *dev = crtc->dev;
>         struct amdgpu_device *adev = dev->dev_private;
>
>         if (enable)
>                 WREG32(EVERGREEN_GRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
>         else
>                 WREG32(EVERGREEN_GRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
>  }
>
> -
> -static void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
> -                            unsigned *bankh, unsigned *mtaspect,
> -                            unsigned *tile_split)
> -{
> -       *bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
> -       *bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
> -       *mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
> -       *tile_split = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
> -       switch (*bankw) {
> -       default:
> -       case 1: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_1; break;
> -       case 2: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_2; break;
> -       case 4: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_4; break;
> -       case 8: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_8; break;
> -       }
> -       switch (*bankh) {
> -       default:
> -       case 1: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_1; break;
> -       case 2: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_2; break;
> -       case 4: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_4; break;
> -       case 8: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_8; break;
> -       }
> -       switch (*mtaspect) {
> -       default:
> -       case 1: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1; break;
> -       case 2: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2; break;
> -       case 4: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4; break;
> -       case 8: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8; break;
> -       }
> -}
> -
>  static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
>                                      struct drm_framebuffer *fb,
>                                      int x, int y, int atomic)
>  {
>         struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
>         struct drm_device *dev = crtc->dev;
>         struct amdgpu_device *adev = dev->dev_private;
>         struct amdgpu_framebuffer *amdgpu_fb;
>         struct drm_framebuffer *target_fb;
>         struct drm_gem_object *obj;
>         struct amdgpu_bo *rbo;
>         uint64_t fb_location, tiling_flags;
> -       uint32_t fb_format, fb_pitch_pixels;
> -       unsigned bankw, bankh, mtaspect, tile_split;
> +       uint32_t fb_format, fb_pitch_pixels, pipe_config;
>         u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE);
>         u32 viewport_w, viewport_h;
>         int r;
>         bool bypass_lut = false;
>
>         /* no fb bound */
>         if (!atomic && !crtc->primary->fb) {
>                 DRM_DEBUG_KMS("No FB bound\n");
>                 return 0;
>         }
> @@ -1634,59 +1601,40 @@ static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
>  #endif
>                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
>                 bypass_lut = true;
>                 break;
>         default:
>                 DRM_ERROR("Unsupported screen format %s\n",
>                           drm_get_format_name(target_fb->pixel_format));
>                 return -EINVAL;
>         }
>
> -       if (tiling_flags & AMDGPU_TILING_MACRO) {
> +       if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
> +               unsigned bankw, bankh, mtaspect, tile_split, num_banks;
>
> -               unsigned index, num_banks;
> -               evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split);
> -
> -               /* Set NUM_BANKS. */
> -
> -               switch (target_fb->bits_per_pixel) {
> -               case 8:
> -                       index = 10;
> -                       break;
> -               case 16:
> -                       index = SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP;
> -                       break;
> -               default:
> -               case 32:
> -                       index = SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP;
> -                       break;
> -               }
> -
> -               num_banks = (adev->gfx.config.tile_mode_array[index] >> 20) & 0x3;
> +               bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
> +               bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
> +               mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
> +               tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
> +               num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
>
>                 fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks);
> -
>                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
>                 fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split);
>                 fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw);
>                 fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh);
>                 fb_format |= EVERGREEN_GRPH_MACRO_TILE_ASPECT(mtaspect);
> -       } else if (tiling_flags & AMDGPU_TILING_MICRO)
> +       } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1)
>                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
>
> -
> -       if ((adev->asic_type == CHIP_TAHITI) ||
> -           (adev->asic_type == CHIP_PITCAIRN))
> -               fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16);
> -       else if ((adev->asic_type == CHIP_VERDE) ||
> -                (adev->asic_type == CHIP_OLAND))
> -               fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P4_8x16);
> +       pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
> +       fb_format |= SI_GRPH_PIPE_CONFIG(pipe_config);
>
>         dce_v6_0_vga_enable(crtc, false);
>
>         /* Make sure surface address is updated at vertical blank rather than
>          * horizontal blank
>          */
>         WREG32(EVERGREEN_GRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
>
>         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
>                upper_32_bits(fb_location));
> diff --git a/drivers/gpu/drm/amd/include/asic_reg/si/sid.h b/drivers/gpu/drm/amd/include/asic_reg/si/sid.h
> index f9a0c14..9609199 100644
> --- a/drivers/gpu/drm/amd/include/asic_reg/si/sid.h
> +++ b/drivers/gpu/drm/amd/include/asic_reg/si/sid.h
> @@ -2003,23 +2003,20 @@
>  #       define EVERGREEN_INTERLEAVE_EN                  (1 << 0)
>
>  #define MC_SHARED_CHMAP__NOOFCHAN_MASK 0xf000
>  #define MC_SHARED_CHMAP__NOOFCHAN__SHIFT 0xc
>
>  #define R600_D1GRPH_ARRAY_MODE_LINEAR_GENERAL            (0 << 20)
>  #define R600_D1GRPH_ARRAY_MODE_LINEAR_ALIGNED            (1 << 20)
>  #define R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1            (2 << 20)
>  #define R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1            (4 << 20)
>
> -#define AMDGPU_TILING_MACRO                            0x1
> -#define AMDGPU_TILING_MICRO                            0x2
> -
>  #define R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH                0x1a45
>  #define R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH                0x1845
>
>  #define R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH              0x1847
>  #define R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH              0x1a47
>
>  #define DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK 0x8
>  #define DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK 0x8
>  #define DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK 0x8
>  #define DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK 0x8
> @@ -2164,49 +2161,20 @@
>  #define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4  2
>  #define EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8  3
>
>  #define EVERGREEN_GRPH_SWAP_CONTROL                     0x1a03
>  #define EVERGREEN_GRPH_ENDIAN_SWAP(x)            (((x) & 0x3) << 0)
>  #       define EVERGREEN_GRPH_ENDIAN_NONE               0
>  #       define EVERGREEN_GRPH_ENDIAN_8IN16              1
>  #       define EVERGREEN_GRPH_ENDIAN_8IN32              2
>  #       define EVERGREEN_GRPH_ENDIAN_8IN64              3
>
> -/* this object requires a surface when mapped - i.e. front buffer */
> -#define RADEON_TILING_SURFACE                          0x10
> -#define RADEON_TILING_MICRO_SQUARE                     0x20
> -#define RADEON_TILING_EG_BANKW_SHIFT                   8
> -#define RADEON_TILING_EG_BANKW_MASK                    0xf
> -#define RADEON_TILING_EG_BANKH_SHIFT                   12
> -#define RADEON_TILING_EG_BANKH_MASK                    0xf
> -#define RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT       16
> -#define RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK                0xf
> -#define RADEON_TILING_EG_TILE_SPLIT_SHIFT              24
> -#define RADEON_TILING_EG_TILE_SPLIT_MASK               0xf
> -#define RADEON_TILING_EG_STENCIL_TILE_SPLIT_SHIFT      28
> -#define RADEON_TILING_EG_STENCIL_TILE_SPLIT_MASK       0xf
> -
> -#define SI_TILE_MODE_COLOR_LINEAR_ALIGNED      8
> -#define SI_TILE_MODE_COLOR_1D                  13
> -#define SI_TILE_MODE_COLOR_1D_SCANOUT          9
> -#define SI_TILE_MODE_COLOR_2D_8BPP             14
> -#define SI_TILE_MODE_COLOR_2D_16BPP            15
> -#define SI_TILE_MODE_COLOR_2D_32BPP            16
> -#define SI_TILE_MODE_COLOR_2D_64BPP            17
> -#define SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP    11
> -#define SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP    12
> -#define SI_TILE_MODE_DEPTH_STENCIL_1D          4
> -#define SI_TILE_MODE_DEPTH_STENCIL_2D          0
> -#define SI_TILE_MODE_DEPTH_STENCIL_2D_2AA      3
> -#define SI_TILE_MODE_DEPTH_STENCIL_2D_4AA      3
> -#define SI_TILE_MODE_DEPTH_STENCIL_2D_8AA      2
> -
>  #define EVERGREEN_D3VGA_CONTROL                         0xf8
>  #define EVERGREEN_D4VGA_CONTROL                         0xf9
>  #define EVERGREEN_D5VGA_CONTROL                         0xfa
>  #define EVERGREEN_D6VGA_CONTROL                         0xfb
>
>  #define EVERGREEN_GRPH_SURFACE_ADDRESS_MASK      0xffffff00
>
>  #define EVERGREEN_GRPH_LUT_10BIT_BYPASS_CONTROL         0x1a02
>  #define EVERGREEN_LUT_10BIT_BYPASS_EN            (1 << 8)
>
> --
> 2.7.4
>
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