On Tue, 2019-07-09 at 14:47 -0700, Manasi Navare wrote:
> On TGL+, the plane height for 8K planes can be 4320, so bump it up
> To support 4320, we need to increase the number of bits used to
> read plane_height to 13 as opposed to older 12 bits.
>
> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
> Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
> Signed-off-by: Manasi Navare <manasi.d.nav...@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_display.c | 21
> ++++++++++++++++++--
> 1 file changed, 19 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> b/drivers/gpu/drm/i915/display/intel_display.c
> index 0d5c8af01f54..be9a54cb5ecc 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -3343,6 +3343,16 @@ static int icl_max_plane_width(const struct
> drm_framebuffer *fb,
> return 5120;
> }
>
> +static int skl_max_plane_height(void)
> +{
> + return 4096;
> +}
> +
> +static int tgl_max_plane_height(void)
> +{
> + return 4320;
> +}
> +
> static bool skl_check_main_ccs_coordinates(struct intel_plane_state
> *plane_state,
> int main_x, int main_y, u32
> main_offset)
> {
> @@ -3391,9 +3401,13 @@ static int skl_check_main_surface(struct
> intel_plane_state *plane_state)
> int w = drm_rect_width(&plane_state->base.src) >> 16;
> int h = drm_rect_height(&plane_state->base.src) >> 16;
> int max_width;
> - int max_height = 4096;
> + int max_height;
> u32 alignment, offset, aux_offset = plane_state-
> >color_plane[1].offset;
>
> + if (INTEL_GEN(dev_priv) >= 12)
> + max_height = tgl_max_plane_height();
> + else
> + max_height = skl_max_plane_height();
Give a line between max_width block, also I would move the height after
the width.
> if (INTEL_GEN(dev_priv) >= 11)
> max_width = icl_max_plane_width(fb, 0, rotation);
> else if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
> @@ -9865,7 +9879,10 @@ skylake_get_initial_plane_config(struct
> intel_crtc *crtc,
> offset = I915_READ(PLANE_OFFSET(pipe, plane_id));
>
> val = I915_READ(PLANE_SIZE(pipe, plane_id));
> - fb->height = ((val >> 16) & 0xfff) + 1;
> + if (INTEL_GEN(dev_priv) >= 12)
> + fb->height = ((val >> 16) & 0x1fff) + 1;
> + else
> + fb->height = ((val >> 16) & 0xfff) + 1;
> fb->width = ((val >> 0) & 0x1fff) + 1;
>
> val = I915_READ(PLANE_STRIDE(pipe, plane_id));
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