On Tuesday 23 September 2014 04:06 AM, Damien Lespiau wrote:
Hi Satheesh,
On Wed, Sep 17, 2014 at 03:07:51PM +0300, Ville Syrjälä wrote:
+static bool skl_compute_plane_wm(struct skl_pipe_wm_parameters *p,
+ struct intel_plane_wm_parameters *p_params,
+ uint16_t max_page_buff_alloc,
+ uint32_t mem_value,
+ uint16_t *res_blocks, /* out */
+ uint8_t *res_lines /* out */)
+{
+ uint32_t method1, method2, plane_bytes_per_line;
+ uint32_t result_bytes;
+
+ if (!p->active || !p_params->enabled) {
+ *res_blocks = PLANE_WM_BLOCKS_DEFAULT;
+ *res_lines = PLANE_WM_LINES_DEFAULT;
Why do we need to set !=0 values for disabled planes?
+ return false;
+ }
Do you remember why we would program some default numbers of blocks/lines
for disabled planes? Can't find a reason to do so now.
Yes, that's not required as returning false here disables the WM itself.
Thanks,
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