On Thu, Jul 11, 2019 at 01:38:16PM +0300, Ville Syrjälä wrote:
> On Wed, Jul 10, 2019 at 02:39:51PM -0700, Manasi Navare wrote:
> > On ICL+, the max supported plane height is 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.
> >
> > v2:
> > * ICL plane height supported is 4320 (Ville)
> > * Add a new line between max width and max height (Jose)
> >
> > Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > Signed-off-by: Manasi Navare <manasi.d.navare@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/display/intel_display.c | 22 ++++++++++++++++++--
> > 1 file changed, 20 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> > index 9883f607bb88..e4915d68147a 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 icl_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)
> > {
> > @@ -3391,7 +3401,7 @@ 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) >= 11)
> > @@ -3401,6 +3411,11 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
> > else
> > max_width = skl_max_plane_width(fb, 0, rotation);
> >
> > + if (INTEL_GEN(dev_priv) >= 11)
> > + max_height = icl_max_plane_height();
> > + else
> > + max_height = skl_max_plane_height();
> > +
> > if (w > max_width || h > max_height) {
> > DRM_DEBUG_KMS("requested Y/RGB source size %dx%d too big (limit %dx%d)\n",
> > w, h, max_width, max_height);
> > @@ -9865,7 +9880,10 @@ 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;
>
> The extra bits should be mbz I think, so no need for the 'if'.
> Just use 0x1fff always, or even extend both masks to 0xffff.
Yes I double checked, all the extra bits (31:28) for older platforms
are MBZ so yes I will just use 0xffff as the mask then
>
> Looks like i9xx_get_initial_plane_config() is also missing a bit or two,
> which should be fixed with a separate patch.
But isnt that hook for older platforms?
Manasi
>
> >
> > val = I915_READ(PLANE_STRIDE(pipe, plane_id));
> > --
> > 2.19.1
>
> --
> Ville Syrjälä
> Intel
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